Format and beautify JSON data with proper indentation and highlighting. Free online JSON formatter for readable code validation.

Minify JSON data by removing whitespace and line breaks. Free online JSON compressor to reduce payload size for APIs.

Convert JSON data to YAML format instantly in your browser. Free online converter for configuration files with no data uploads.

Convert YAML configuration to JSON format instantly in your browser. Free online parser for structured JSON data locally.

Encode and decode HTML entities for special characters. Free online HTML encoder to escape tags, symbols, and attributes safely.

Encode and decode URL strings to proper percent-encoding format. Free online URL encoder for safe web addresses and query parameters.

Minify CSS stylesheets by removing whitespace and comments. Free online CSS compressor to reduce file size and speed up loading.

Minify JavaScript code by removing whitespace and comments to reduce file size. Free online JS minifier for faster website loading.

Format and beautify SQL queries with proper indentation and highlighting. Free online SQL formatter for readable database code.

Test and debug regular expressions with live matching highlights. Free online regex tester for pattern validation in your browser.

Compare two text snippets and highlight differences line by line. Free online diff checker for code review and content changes.

Parse cron expressions into human-readable time. Free online tool to debug schedules in your browser.

Extract plain text from HTML by removing all tags. Free online tool to clean web content in your browser.

Query JSON data using JSONPath expressions with filtering.

Format and beautify XML documents with proper indentation. Free online XML formatter for readable code and debugging.

Build and test HTTP requests with custom headers, methods, and body. Free online HTTP request builder for API testing.

Format and beautify GraphQL queries with proper indentation. Free online GraphQL formatter for readable API code.

View CSV data in a formatted table with sorting and filtering. Free online CSV viewer for data inspection in your browser.

Encode files to Base64 strings for embedding in JSON and HTML. Free online file to Base64 converter for data URIs.

Encode and generate JWT tokens with custom headers and payloads. Free online JWT encoder for authentication testing.

Detect the technology stack of any website — frameworks, CMS, CDN, analytics, hosting, and more. Supports batch comparison of multiple sites.

Compare code side-by-side with syntax highlighting. Supports JSON structural diff, line-level changes, and merge-friendly output.

Convert cURL commands into equivalent code for fetch, axios, Python requests, Java HttpClient, Go net/http, and more — 100% local.

Edit HTML visually with a rich text editor. See live WYSIWYG preview alongside the HTML source code — 100% local.

Visualize how a regex pattern matches text with a step-by-step animated diagram. Copy railroad diagrams and get pattern explanations.

Generate a dark mode CSS override for any website. Input CSS or a URL and get ready-to-use dark theme variables — 100% local.

Build data transformation pipelines by dragging operations. Chain encode → decode → format → compress steps visually — a simplified CyberChef.

Lightweight API testing sandbox. Build HTTP requests with headers, body, and auth. Test endpoints without Postman — 100% local.

Turn your code into beautiful shareable images. Choose themes, window decorations, gradients, and export for social media — 100% local.

Аудит нескольких URL для SEO одновременно. Проверьте длину title, meta description, заголовки, Open Graph-теги и получите сравнительную таблицу.

Encode and decode Base64 strings for data transmission. Free online Base64 converter for binary data and API payloads.

Конвертируйте между шестнадцатеричной, двоичной и десятичной системами.

Convert colors between HEX, RGB, HSL, and CMYK formats instantly. Free online color converter for design and development.

Convert between weight, length, and other units instantly. Free online tool for quick measurement calculations in your browser.

Convert Unix timestamps to human-readable dates and vice versa. Free online timestamp converter for debugging logs and APIs.

Convert CSV data to JSON format with header detection. Free online CSV to JSON converter for data migration and API prep.

Convert JSON arrays to CSV format for spreadsheets and data export. Free online JSON to CSV converter for data migration.

Convert Excel spreadsheets to CSV format for data export. Free online Excel to CSV converter for spreadsheet migration.

Convert CSV files to Excel spreadsheet format. Free online tool to transform tabular data in your browser with one click.

Мгновенно создавайте столбчатые, линейные, круговые и кольцевые диаграммы из CSV. 100% локально.

Extract audio tracks from MP4 video files to MP3. Free online tool to convert media in your browser with no upload.

Convert JSON configuration to TOML format instantly. Free online tool for developers to manage config files in browser.

Convert TOML configuration files to JSON format. Free online tool for developers to parse configs in your browser.

Конвертируйте между двоичной, восьмеричной, десятичной и шестнадцатеричной системами.

Конвертируйте между римскими и арабскими цифрами.

Convert text to ASCII art banners and figlet fonts. Free online ASCII art generator for social media and terminal fun.

Look up MIME types for any file extension instantly. Free online reference tool for developers working in the browser.

Merge multiple PDF files into one document instantly. Free online PDF merger for combining reports in your browser with no uploads.

Split PDF documents into individual pages or ranges. Free online tool to extract specific pages in your browser.

Compress PDF files to reduce size while keeping quality. Free online PDF compressor for email attachments and web uploads.

Convert PDF pages to PNG or JPG images in your browser. Free online tool to extract high-quality visuals from any document.

Convert images to a single PDF file for easy sharing. Free online image to PDF converter for JPG and PNG with no uploads.

Convert Markdown text to PDF document. Supports headings, lists, code blocks, tables, bold/italic, links, and more. Uses jsPDF for rendering.

Convert HTML code to PDF document. Supports page size, orientation, and margin settings. Uses html2canvas and jsPDF for rendering.

Convert text between upper, lower, title, sentence, and camel case. Free online text case converter for formatting content.

Count words, characters, lines, and bytes instantly. Free online tool to analyze text length for any content in browser.

Анализируйте читаемость по Flesch-Kincaid, Gunning Fog и другим оценкам. Получите количество слов, статистику длины предложений и оценки уровня.

Generate placeholder Lorem Ipsum text for design mockups. Free online Lorem Ipsum generator for web development.

Convert Markdown text to clean HTML with live preview. Free online Markdown to HTML converter for blogs and docs.

Convert text to URL-friendly slugs for web addresses. Free online slug generator for SEO-friendly URLs in your browser.

Remove duplicate lines from text and keep only unique entries. Free online duplicate line remover for cleaning data.

Reverse text characters, words, or lines for coding and fun. Free online text reverser for data processing in your browser.

Sort lines alphabetically, by length, or numerically.

Add sequential line numbers to text for reference and debugging. Free online line number adder for code and document formatting.

Remove hidden and zero-width characters from text.

Count character frequency in text and find most used letters. Free online character frequency counter for analysis.

Truncate text to a specified length with character or word limits. Free online text truncator for previews and snippets.

Find and replace text with regex pattern support. Free online tool to batch edit content efficiently in your browser.

Re-wrap text to a specified line width for readability. Free online text wrapper for formatting paragraphs and content.

Encode images as Base64 Data URIs for inline HTML embedding. Free online image to Base64 converter for web development.

Анализируйте время чтения, произношения и сложность текста.

Check if a word or phrase reads the same backwards as forwards. Free online palindrome checker for puzzles and word games.

Find anagrams for any word or set of letters. Free online tool to discover word combinations in your browser.

Scramble and rearrange letters in words randomly. Free online tool to create word puzzles in your browser.

Convert text to sentence case with proper capitalization. Free online sentence case converter for titles and content.

Convert tabs to spaces or spaces to tabs in text. Free online tab to space converter for code formatting.

Convert text to speech using Web Speech API. Fully local, no server required. Adjust speed, pitch, volume, and choose from available voices.

Generate secure random passwords with custom length and character sets. Free online password generator for strong security.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text. Free online hash generator for checksums and verification.

Generate random UUID v4 identifiers instantly for databases and APIs. Free online UUID generator for unique IDs with no signup.

Decode JWT tokens and inspect header, payload, and signature instantly. Free online JSON Web Token decoder for debugging auth.

Generate Bcrypt password hashes for secure user authentication. Free online Bcrypt hash generator with adjustable cost factor.

Generate random strings with custom length and character set.

Generate TOTP authentication codes using a secret key. Free online tool for testing two-factor auth setups in your browser.

Check SSL and TLS certificate details for any domain. Free online tool to verify security in your browser.

Encode and decode Morse code messages for learning and fun. Free online Morse code translator for communication.

Encrypt and decrypt text using Caesar cipher. Free online tool for classic cryptography in your browser.

Encode and decode text using the ROT13 cipher. Free online tool for simple message obfuscation in your browser.

Encrypt and decrypt text using Vigenere cipher. Free online tool for polyalphabetic cryptography in your browser.

Generate HMAC hash values using a secret key for API auth. Free online HMAC generator for secure message signing.

Generate MD5, SHA-256, and other file checksums instantly. Free online tool to verify file integrity in your browser.

Resize images to specified dimensions while keeping quality. Free online image resizer for social media and web.

Crop images to specified dimensions and aspect ratios. Free online image cropper for thumbnails and social media.

Конвертируйте изображения между разными форматами.

Compress images to reduce file size while keeping quality. Free online image compressor for web optimization.

Пакетно сжимайте, конвертируйте или изменяйте размер нескольких изображений.

Add text or image watermarks to protect your images. Free online tool for branding photos directly in your browser.

Pick colors from uploaded images and get HEX, RGB, and HSL values. Free online image color picker for design work.

Apply blur effects to images for privacy or artistic purposes. Free online image blur tool for faces and backgrounds in your browser.

Rotate images to any angle including 90, 180, and 270 degrees. Free online image rotator for fixing photo orientation.

Flip images horizontally or vertically in your browser. Free online tool to mirror photos with instant preview and download.

Capture screenshots and convert them to PNG format instantly. Free online screenshot to PNG tool for saving screen captures.

Convert SVG vector files to PNG raster images instantly in your browser. Free online converter with transparent background support.

Generate favicon icons from images in multiple sizes. Free online favicon generator for websites and web apps.

Generate placeholder images for web design mockups and prototypes. Free online image placeholder generator with custom sizes.

Generate custom QR codes from URLs, text, or WiFi credentials. Free online QR code maker with size and color options in your browser.

Crop photos to standard ID sizes like passport, 1-inch, and 2-inch. Free online ID photo cropper for documents in your browser.

Change ID photo background colors to white, blue, or red instantly. Free online ID photo background changer in your browser.

Create ID photos with proper sizing and background colors for passports. Free online ID photo maker in your browser with no uploads.

Calculate percentages, increases, decreases, and ratios instantly. Free online percentage calculator for discounts and finance.

Add, subtract, multiply, and divide fractions with step-by-step results. Free online fraction calculator for math and cooking.

Perform advanced scientific calculations with trigonometry, logs, and exponents. Free online scientific calculator for math.

Calculate monthly payments for personal or auto loans. See total interest paid and a full amortization schedule.

Calculate tips and split bills between multiple people instantly. Free online tip calculator for restaurant bills and groups.

Calculate percentage increase or decrease between two values. Free online percentage change calculator for finance and growth.

Calculate the mean, median, mode, and range of numbers instantly. Free online average calculator for statistics and data.

Calculate exact age from birthdate in years, months, and days. Free online age calculator for birthdays and records.

Convert PNG raster images to SVG vector graphics online for free. Trace and vectorize logos or icons directly in your browser.

Generate EAN, UPC, CODE128, and CODE39 barcodes for products. Free online barcode generator for retail and inventory.

Generate clean short links with custom aliases, QR codes, and click tracking analytics. 100% local, no account required.

Generate random numbers within a custom range for lotteries and sampling. Free online random number generator for games.

Look up IP address location, ISP, and geolocation details instantly. Free online IP lookup tool for network diagnostics.

Look up DNS records for any domain including A, AAAA, MX, and TXT. Free online DNS checker for network diagnostics.

Test network latency and connectivity with ICMP ping. Free online ping tester for network diagnostics and troubleshooting.

Scan open ports on any host to check network services. Free online port scanner for security audits and connectivity testing.

Test your website loading speed and performance metrics. Free online page speed checker for Core Web Vitals and SEO.

Check your public IP address, location, and ISP details instantly. Free online IP lookup showing IPv4 and IPv6 in your browser.

Parse User-Agent strings to identify browser and device.

Check your screen resolution, viewport size, pixel ratio, and display info. Free online screen resolution checker for design testing.

Check your browser details including version, user agent, and screen size. Free online browser information tool for debugging.

Calculate days, weeks, months, or years between two dates. Free online date difference calculator for planning and scheduling.

Convert times between world time zones for scheduling meetings. Free online timezone converter for global teams and travel.

Track time with a simple stopwatch featuring lap timing. Free online stopwatch for tracking activities and workouts in your browser.

Set a countdown timer with audio alerts for events and deadlines. Free online countdown timer for productivity.

View current time across multiple time zones. Free online tool to coordinate with global teams in your browser.

Flip a virtual coin for quick random decisions. Free online tool that gives instant heads or tails results in your browser.

Roll virtual dice with customizable sides and count. Free online dice roller for board games, RPGs, and random generation.

Draw a random card from a 52-card deck instantly in your browser. Free online card picker for games, decisions, and random selection.

Randomly shuffle and randomize list order for fair selection. Free online list randomizer for raffles, teams, and data sampling.

Make random decisions by spinning a wheel or picking from options. Free online decision maker for choices and quick picks.

Generate random yes or no answers for quick decisions. Free online yes/no picker for games and binary choices in your browser.

Generate inspirational, motivational, and random quotes instantly. Free online quote generator for social media and speeches.

Generate meme text and captions for popular meme templates. Free online meme text maker for social media content.

Generate professional changelogs from your version history. Free online changelog generator for software releases and GitHub.

Generate professional README files for GitHub projects instantly. Free online README generator for open-source repositories.

Generate custom privacy policy documents for your website or app. Free online privacy policy generator for GDPR compliance.

Generate custom terms of service and terms of use for your website. Free online legal terms generator for apps and businesses.

Generate XML sitemaps for your website to improve search engine indexing. Free online sitemap generator for SEO optimization.

Generate robots.txt files to control search engine crawling. Free online robots.txt generator for SEO and bot management.

Stay focused with a customizable Pomodoro timer featuring work/break cycles, progress tracking, and browser notifications.

Быстрый блокнот с автосохранением, хранящий заметки в браузере. Поддерживает обычный текст и базовый просмотр Markdown.

Manage tasks with a simple, localStorage-backed todo list. Add, edit, reorder, and check off items — data stays on your device.

Generate CSS linear and radial gradients with live preview. Free online CSS gradient generator for web design and backgrounds.

Создайте блок-схемы, диаграммы последовательностей и др. с помощью синтаксиса Mermaid.

Откройте красивые пары Google Fonts для заголовков и основного текста.

Generate CSS box-shadow effects with live preview and code output. Free online box-shadow generator for web design.

Generate JSON Schema from sample JSON data automatically. Free online JSON Schema generator for API validation.

Check HTTP status codes and response headers for any URL. Free online HTTP status checker for SEO and API debugging.

Convert files to Base64 Data URIs for embedding in HTML and CSS. Free online Data URI generator for inline images and fonts.

Generate WiFi QR codes for easy network sharing with guests. Free online WiFi QR code generator for cafes and offices.

Validate credit card numbers using Luhn algorithm and detect card type. Free online credit card checker for payment testing.

Validate IBAN account numbers and check formatting for international transfers. Free online IBAN checker for banking verification.

Convert images to grayscale or black and white instantly. Free online image grayscale converter for photo editing in your browser.

View EXIF metadata from photos including camera, GPS, and exposure info. Free online image metadata viewer for privacy.

Optimize SVG files by removing metadata, comments, and redundant code. Free online SVG optimizer to reduce vector file size.

Convert PNG and JPG images to ICO favicon format. Generate multi-size icon files for websites and applications.

Add rounded corners to images with adjustable border radius. Preview and download as PNG with transparent background.

Split an image into a grid of equal tiles. Choose rows, columns, and export all pieces as a ZIP file.

Calculate ratios, proportions, and scale factors for numbers. Free online ratio calculator for recipes, finance, and engineering.

Calculate your Body Mass Index (BMI) using metric or imperial units. See your BMI category and healthy weight range.

Estimate calories burned during common activities including running, cycling, walking, and swimming. Based on MET values.

Calculate statistical significance, confidence intervals, and lift for your A/B test results. Determine if your experiment has a winner.

Sort lists of numbers in ascending or descending order instantly. Free online number sorter for organizing data and rankings.

Generate Open Graph meta tags for social media sharing previews. Free online OG tag generator for Facebook and LinkedIn.

Check if network ports are open or closed on any host. Free online port checker for connectivity testing in your browser.

Search and browse thousands of emojis by keyword or category. Free online emoji finder with one-click copy for messages.

Generate formatted Markdown tables from your data instantly. Free online Markdown table generator for docs and READMEs.

Escape and unescape special characters for HTML, JSON, and URLs. Free online escape tool for safe string handling in code.

Generate powerful AI prompts for ChatGPT, Midjourney, and more.

Summarize long text into concise key points instantly.

Explain what your code does in plain language. Free online tool to understand any codebase in your browser.

Run a fast on-page SEO audit checklist for titles, meta tags, headings, links, and content quality.

Анализируйте title, meta description, Open Graph, Twitter Card, canonical и robots meta-теги.

Measure keyword frequency, density, and content focus for SEO writing.

Generate long-tail keyword ideas, question keywords, and modifier combinations.

Prepare a backlink review checklist and organize referring-domain data for SEO analysis.

Extract domain details and generate a domain age / authority review checklist.

Inspect URL redirect plans and generate a safe migration checklist.

Paste URLs or links and identify likely broken, malformed, or risky links.

Test robots.txt rules against user agents and paths before publishing.

Extract URLs from XML sitemap text and export a clean URL list.

Создайте структурированные черновики для статей, постов, страниц товаров и маркетинговых текстов.

Generate SEO-friendly titles, headlines, and social hooks from a topic.

Generate clear paragraphs from a topic, keywords, and tone.

Draft professional emails for outreach, replies, follow-ups, and support.

Rewrite AI-like text into a more natural, human, readable style.

Find common grammar, punctuation, casing, and readability issues.

Generate academic citations in APA, MLA, Chicago, and GB/T 7714 formats. Enter source details and get formatted references.

Compare two text passages for similarity. Calculate overlap percentage and highlight matching sections locally in your browser.

Compress images to a custom target size (50KB-500KB+) with quality or resize strategy, all in your browser. Supports image, compress.

Convert PNG images to JPG format locally in your browser. Free online tool to reduce file size with no upload needed.

Convert JPG images to PNG format locally in browser. Free online tool to transform photos with no upload.

Convert WebP images to PNG format in your browser.

Convert images to lightweight WebP format instantly. Free online tool to optimize images for the web in your browser.

Upload a screenshot and annotate it with arrows, text, shapes, blur, crop, and highlight. Export as PNG with one click — 100% local.

Enter a URL to capture a full-page or viewport screenshot. Supports desktop, tablet, and mobile viewport simulation.

Convert images to modern AVIF format for smaller file sizes. Supports batch conversion with quality comparison — 100% local.

Generate all favicon sizes from one image: 16x16, 32x32, 48x48, 180x180, 192x192, manifest.json, and ICO — 100% local.

Prepare a PDF compression plan for a custom target size (KB).

Generate trending hashtag combinations for Instagram, TikTok, and Twitter based on keywords and topics.

Create Instagram captions with hooks, emojis, and calls to action.

Generate clickable YouTube video titles optimized for search intent.

Draft YouTube descriptions with timestamps, links, and SEO keywords.

Generate YouTube tags and keyword variations for video discovery.

Подсчитайте символы X/Twitter и мгновенно проверьте длину поста.

Создайте профессиональные посты в LinkedIn на основе темы и тона.

Generate short bios for Instagram, X, TikTok, LinkedIn, and creators.

Plan and optimize cross-platform content distribution. Select platforms, schedule posts, and track performance — free online tool.

Paste a URL to extract the article content, metadata, and images. Export as clean Markdown, HTML, or structured data — 100% local.

Создайте отслеживающие URL с UTM-параметрами для Google Analytics. Генерируйте готовые ссылки для маркетинговых кампаний.

Calculate ad spend, clicks, revenue, profit, ROAS, and ROI.

Calculate gross profit, markup, and margin from cost and price.

Добавьте или уберите НДС/налог из цены и рассчитайте сумму налога.

Calculate sale price, discount amount, and savings percentage.

Calculate how many units you need to sell to break even.

Generate a simple invoice preview from business and line-item data.

Создайте черновик резюме на основе должности, опыта, навыков и образования.

Generate a tailored cover letter for a role, company, and background.

Draft job descriptions with responsibilities, requirements, and benefits.

Создайте структурированные повестки встреч с целями, темами, ответственными и таймингом.

Turn discussion notes into concise meeting minutes and action items.

Generate a project brief with goals, scope, timeline, stakeholders, and risks.

Создайте SWOT-анализ на основе компании, продукта или проектной идеи.

Generate brandable business name ideas from keywords and industry.

Generate short slogans and taglines for brands, products, or campaigns.

Write ecommerce product descriptions with benefits, features, and CTA.

Generate frequently asked questions and answers from a topic or product.

Generate email subject lines for campaigns, newsletters, and outreach.

Draft a press release for a launch, announcement, or milestone.

Создайте практический план бизнеса для стартапа или проекта.

Generate a client proposal structure with scope, deliverables, timeline, and pricing.

Generate creative brand and business name ideas by combining prefixes, suffixes, and industry keywords. Filter by style and length.

Inspect file name, type, size, extension, and last modified date in your browser.

Конвертируйте байты, КБ, МБ, ГБ и ТБ с десятичными и двоичными единицами.

Generate clean, SEO-friendly file names from messy names or titles.

Preview safe file-extension changes before renaming files.

Find duplicate file names from a pasted list and prepare cleanup actions.

Review archive file size, type, and extraction checklist before uploading or sharing.

Trim whitespace, remove empty lines, and deduplicate CSV rows locally.

Extract selected columns from CSV text by column name or index.

Estimate target bitrate and reduction ratio for video compression.

Calculate video file size from duration, bitrate, audio bitrate, and frame rate.

Generate thumbnail text, composition, contrast, and hook ideas for videos.

Plan audio trim ranges and export notes before editing.

Estimate audio size from duration, bitrate, channels, and format.

Inspect audio file name, type, size, and browser-readable metadata.

Validate SRT numbering, timestamps, empty blocks, and common subtitle issues.

Clean transcripts by removing filler words, repeated spaces, and timestamp noise.

Браузерный видеоредактор с базовыми функциями обрезки, нарезки и объединения.

Merge multiple video clips into one file. Free online tool to join and concatenate videos in your browser.

Trim video to remove unwanted start and end sections.

Add background music or voiceover to your video. Free online tool to enhance video sound in your browser.

Overlay text, titles, and captions on video frames.

Crop video to a specific aspect ratio or region. Free online tool to frame your footage in your browser.

Resize video resolution for different platforms. Free online tool to optimize clips for social media in browser.

Create seamless looping videos for presentations and social media. Free online video looper for repeating clips in your browser.

Настройте, отключите или усильте уровни аудио видео.

Speed up or slow down video playback for preview and editing. Free online video speed changer for content creation.

Reduce camera shake and smooth video motion. Free online tool to stabilize shaky footage in your browser.

Convert video clips to animated GIF images. Free online tool to create shareable animations in your browser instantly.

Play video in reverse for creative effects. Free online tool to generate backwards video clips in your browser.

Combine multiple videos into split-screen layouts.

Create video slideshows from photos with music. Free online tool to make memorable presentations in your browser.

Record your screen, webcam, or browser tab. Free online tool to capture video without installing any software.

Record video and take photos from your webcam directly in the browser.

Reduce video file size while maintaining quality. Free online tool to optimize clips in your browser.

Extract thumbnails from video files at any timestamp. Seek through the video and capture high-quality frames as PNG images.

Trim audio files to remove unwanted sections. Free online tool to cut and edit sound in your browser instantly.

Настройте, нормализуйте или усильте громкость аудио.

Change audio playback speed without pitch shift. Free online tool to speed up or slow down sound in browser.

Shift audio pitch up or down without changing tempo. Free online audio pitch shifter for music and voice editing in your browser.

Adjust bass, mid, and treble frequencies for audio. Free online tool to enhance sound quality in your browser.

Reverse audio playback for creative sound effects. Free online tool to generate backwards audio in your browser.

Record audio directly from your microphone. Free online tool to capture voice and sound in your browser with no install.

Combine multiple audio tracks into one file. Free online tool to join and concatenate audio in your browser.

Reduce background noise from audio recordings. Free online tool to clean up sound quality in your browser.

Конвертируйте между MP3, WAV, OGG и другими форматами.

Normalize audio volume levels using peak normalization and LUFS loudness analysis. Process files entirely in your browser.

Convert PDF documents to editable Word format. Free online tool to extract and edit text in your browser.

Extract tables from PDF into Excel spreadsheets. Free online tool to convert data for analysis in your browser.

Convert PDF pages to editable PowerPoint slides instantly. Free online tool to transform presentations in your browser.

Convert multiple images into a PowerPoint presentation. Free online presentation tool — browser-based, no upload. Supports images, to.

PPT Merger: Combine multiple PowerPoint presentations into one. Free online presentation tool — browser-based, no upload.

Convert PDF content into clean, editable HTML markup. Free online tool to repurpose documents for the web in your browser.

Convert Word documents to PDF format for sharing and printing. Free online Word to PDF converter with no uploads.

Convert Excel spreadsheets to PDF format instantly. Free online tool to share financial data securely in your browser.

Convert PowerPoint presentations to PDF format in your browser. Free online tool to share slides universally with one click.

Rotate PDF pages to the correct orientation. Free online tool to fix sideways or upside-down documents in browser.

Add text or image watermarks to PDF pages. Free online tool to brand and protect documents in your browser.

Add page numbers to PDF documents with custom position and format. Free online PDF page numberer for reports and docs.

Add password protection to PDF files for secure sharing. Free online PDF password protector with no uploads required.

Remove password protection from PDF files instantly. Free online tool to unlock and access your documents in browser.

Extract text from scanned PDF images using OCR. Free online PDF OCR tool for digitizing documents in your browser.

Fill out PDF forms digitally without printing or scanning. Free online PDF form filler for applications and contracts.

Создайте интерактивные PDF-формы с текстовыми полями, чекбоксами и выпадающими списками.

Compare two PDF documents side by side and spot differences. Free online tool for reviewing revisions in your browser.

Translate text between languages with AI-powered accuracy.

Создайте пользовательские мемы с текстовыми наложениями.

Generate simple logo designs from text and shapes.

Create custom icons and favicons for websites and apps. Free online icon generator with multiple sizes and formats.

Generate seamless patterns and textures for design. Free online tool to create reusable backgrounds directly in your browser.

Создайте процедурные текстуры для дизайн-проектов.

Create quick wireframes for UI and UX design. Free online tool to sketch layouts and prototype ideas in your browser.

Создайте визуальные доски вдохновения для проектов.

Preview and compare font pairings for web and UI design. Free online typography tool for choosing fonts in your browser.

Создайте мокапы устройств для демонстрации дизайна.

Create web banners and social media covers. Free online design tool to produce graphics in your browser instantly.

Создайте миниатюры и превью-изображения для видео.

Конвертируйте между числовыми и символьными правами chmod.

Convert Docker run commands to docker-compose.yml.

Quick reference for common Git commands and workflows.

Edit HTML visually with a live WYSIWYG preview editor. Free online HTML editor for building web pages in your browser.

Generate signed JWT tokens with custom payloads. Free online tool for auth testing in your browser.

Look up vendor information from MAC address prefixes.

Calculate subnet masks, ranges, and broadcast addresses.

Generate Base64-encoded Basic Authentication headers.

Generate ULIDs (Universally Unique Lexicographically Sortable Identifiers).

Encrypt and decrypt text using AES algorithm. Free online tool for secure data protection in your browser.

Generate RSA public and private key pairs for encryption. Free online RSA key generator for secure communication.

Анализируйте надёжность пароля и оценивайте время взлома.

Generate SHA-256, SHA-1, SHA-384, SHA-512, and MD5 hashes from any text. Compare hashes for integrity verification.

Encrypt and decrypt text using AES-256-GCM with a password. Uses PBKDF2 key derivation for strong security.

Generate BIP39 mnemonic phrases for crypto wallets.

Convert text to NATO phonetic alphabet instantly. Free online tool for clear verbal communication in your browser.

Generate numeronyms like i18n, k8s, and a11y instantly. Free online tool for developers to abbreviate terms in browser.

Obfuscate strings for code protection and anti-tampering. Free online string obfuscator for app security in your browser.

Calculate estimated time of arrival based on speed and distance.

Run JavaScript performance benchmarks in your browser. Free online tool to test code speed and compare results.

Set a countdown timer with custom alerts and notifications. Free online timer for productivity, cooking, and presentations.

Normalize and validate email addresses in bulk. Free online tool to clean and standardize your contact lists in the browser.

Parse and validate international phone numbers. Free online tool to check and format contact data in your browser.

Generate valid IBAN numbers for testing purposes. Free online tool to create mock banking data safely in your browser.

Remove watermarks and logos from videos in your browser. Draw regions, choose inpaint or blur, and process multiple areas — no uploads.

Overlay images, stickers, and logos onto video frames.

Конвертируйте пресеты форматов видео для MP4, WebM, MOV и др.

Edit videos from transcript timelines and clip ranges.

Extract audio from video and transcribe speech to text using local AI (Whisper).

Создайте фирменные цвета, типографику, правила использования логотипа и активов.

Separate vocal and instrumental tracks with an AI-assisted workflow.

Transcribe spoken audio into text using local AI (Whisper).

Edit title, artist, album, genre, and cover metadata plans.

Создайте диапазоны вырезания рингтонов и пресеты экспорта для телефонов.

Generate waveform visualization settings for audio clips.

Plan podcast chapters, cuts, intro/outro, and metadata.

Plan text edits, replacement ranges, and PDF export notes.

Plan image replacement, extraction, and layout fixes for PDFs.

Add a digital or visual signature workflow to PDF documents.

Extract image inventory and export instructions from PDF files.

Extract text strategy and cleanup rules for PDF documents.

Reorder, delete, insert, and split PDF page plans.

Аннотируйте PDF выделениями, рисунками, текстом, фигурами и подписями. Полнофункциональный браузерный PDF-редактор.

Создайте рамки обрезки страниц PDF и настройки полей.

Диагностируйте типичные проблемы PDF и сгенерируйте шаги ремонта.

Remove image backgrounds with an AI-assisted workflow.

Enhance image clarity, color, and resolution settings.

Plan horizontal, vertical, or grid image stitching layouts.

Extract text from images and clean OCR output. Free online tool to digitize scanned content in your browser.

Preview filter recipes for brightness, contrast, blur, and tone.

Конвертируйте размеры иконок и пресеты форматов для фавиконок и приложений.

Compare two images with visual diff settings and checklist.

Создайте фото на ID/паспорт с заменой фона и проверкой соответствия.

Crop photos to standard ID photo sizes (1-inch, 2-inch, passport).

Online beauty photo editor with skin smoothing, filters, and AI retouch.

Создайте пошаговый конвейер кодирования, декодирования и преобразования.

Определите возможные форматы по сигнатурам вставленных данных.

Создайте повторно используемые рецепты инструментов и общие заметки по рабочим процессам.

Inspect and edit hexadecimal byte strings in the browser.

Measure randomness and entropy of encoded data. Free online tool to analyze data patterns in your browser.

Inspect file signatures and magic bytes instantly. Free online tool to identify unknown file types in your browser.

Parse certificate fields and check validity. Free online tool to inspect X.509 certs in your browser.

Draft WebSocket connection, message, and event tests.

Summarize tabular data with pivot table dimensions and metrics.

Generate chart configuration from CSV or table data.

Validate JSON data against schema rules instantly. Free online tool to catch data errors before deployment in your browser.

Создайте учебные карточки из терминов и определений.

Write and preview LaTeX equation snippets instantly. Free online tool for math notation in your browser with live rendering.

Generate Sudoku puzzles with solution grids. Free online tool to create puzzles for any skill level in your browser.

Generate maze layouts with custom size options. Free online tool to create puzzles and art in your browser.

Find free alternatives for workflow automation tools. Compare features and choose the right online integration platform.

Создайте шаблоны рабочих процессов автоматизации n8n.

Test and debug webhook endpoints with custom payloads. Free online webhook tester for API integration and debugging.

Создайте повторно используемые рецепты рабочих процессов.

Convert form data to PDF documents for printing and sharing. Free online form to PDF generator for business forms.

Monitor websites for content changes and get alerts. Free online website change detector for tracking updates.

Convert RSS feeds into newsletter-ready format instantly. Free online tool to automate content curation in your browser.

Convert API JSON responses to spreadsheet format. Free online tool to transform API data in your browser instantly.

Monitor and manage cron job schedules and execution. Free online cron job monitor for server task tracking.

Plan task automation workflows and triggers. Free online tool to design efficient processes in your browser.

Find open-source alternatives to paid software. Free online directory to discover tools that save you money in browser.

Track GitHub repository star growth over time. Free online tool to monitor project popularity in your browser.

Generate GitHub README files for your projects. Free online tool to create documentation in your browser.

Check open-source license compatibility for your project. Free online tool to avoid legal conflicts in your browser.

Generate Docker Compose configuration files. Free online tool to set up containers in your browser instantly.

Find self-hosted alternatives to cloud apps. Free online tool to discover privacy-focused software in your browser.

Check the health and quality of GitHub repositories.

Review a security checklist for open-source projects. Free online tool to audit your codebase in your browser.

Find free alternatives to Notion for note-taking and project management. Free online tool finder for productivity apps.

Find free alternatives to Figma for UI and UX design. Free online design tool finder for budget-friendly creative software.

Find free online alternatives for grammar checking and proofreading. Compare features and pick the best writing tool for you.

Discover free alternatives to AI code editors with comparable features. Find the right online tool for your development workflow.

Find free alternatives for SEO analysis and backlink research. Compare features and choose the best online SEO tool for your site.

Find free alternatives for PDF compression and conversion. Compare features and choose the right online PDF tool for your work.

Find free alternatives for PDF editing and conversion. Compare features and pick the best online PDF tool for your needs.

Find free alternatives to Canva for graphic design. Free online design tool finder for budget-friendly creation.

Find free alternatives for appointment scheduling. Compare features and pick the right online booking tool for you.

Generate Notion templates to boost productivity. Free online tool to create custom workspace layouts in your browser.

Summarize meeting notes into actionable key points. Free online tool to capture decisions and tasks in your browser.

Generate OKR goals for teams and individuals. Free online tool to set objectives and track key results in browser.

Plan and organize Kanban board workflows visually. Free online tool to map tasks and boost team productivity in browser.

Generate standard operating procedure documents. Free online tool to create process guides in your browser.

Create team retrospective board templates instantly. Free online tool to facilitate agile reviews in your browser.

Free Roadmap Generator for planning, comparing, generating, and improving online workflows with privacy-first ToolPure pages.

Generate detailed customer personas for marketing.

Chain multiple tools into reusable workflows for batch processing. Free online tool recipe builder for automation.

Track daily habits with check-in, streak counting, and weekly calendar view. All data stored locally in your browser.

Анализируйте ценовые страницы для рекомендаций по оптимизации.

Calculate SaaS pricing tiers and projected revenue. Free online tool to model subscription plans in your browser.

Calculate Monthly Recurring Revenue metrics. Free online tool to track subscription growth in your browser.

Calculate customer churn rate and its revenue impact. Free online tool to track retention metrics in your browser.

Calculate LTV to CAC ratio for your business. Free online tool to measure unit economics and growth health in browser.

Calculate return on investment metrics instantly. Free online tool to evaluate project profitability and compare options in browser.

Конвертируйте между валютами по актуальным курсам.

Calculate salary, taxes, and take-home pay. Free online tool to estimate net income and plan your budget in browser.

Calculate monthly mortgage payments including principal, interest, taxes, and insurance. Compare 15-year vs 30-year loan terms.

Calculate tax amounts for invoices with custom rates. Free online invoice tax calculator for billing and accounting.

Compare pricing across popular AI tools side by side. Free online tool to find the best value AI services for your budget.

Find the right AI tool for your task from hundreds of options. Free online AI tool directory for productivity and automation.

Просматривайте и управляйте библиотекой повторно используемых AI-промптов.

Build and configure AI agent workflows visually. Free online tool to design intelligent automation pipelines in your browser.

Calculate token usage costs for LLM API calls. Free online tool to estimate and budget AI expenses in your browser.

Describe what you need in plain language and AI recommends the best tool chain. No more searching — just tell us what you want to do.

Browse and search a directory of MCP servers instantly. Free online tool to discover and compare Model Context Protocol servers.

Review a checklist to prevent API key leaks in your projects. Free online security tool for developers working in the browser.

Check privacy policy compliance requirements. Free online tool to audit your legal documents in your browser.

Check GDPR cookie compliance for your website. Free online tool to audit consent banners in your browser.

Check your visibility in AI-powered search results.

Generate schema markup and JSON-LD for SEO rich results. Free online schema markup generator for structured data.

Preview how your page appears in search results. Free online tool to optimize titles and meta descriptions.

Generate trending hashtags for TikTok to boost video reach. Free online TikTok hashtag generator for content creators.

Convert HEIC/HEIF photos from iPhone to JPG — 100% local, no upload.

Strip EXIF metadata (GPS, camera info) from photos for privacy — 100% local.

Extract text from PDF and convert to Markdown for LLM/RAG — 100% local.

Generate beautiful color palettes for your designs.

Sharpen images to improve clarity and detail. Free online tool to enhance photo quality in your browser.

Convert images to Base64 encoded strings for embedding in HTML/CSS.

View EXIF metadata from photos including camera, GPS, and exposure info.

Simulate how images look under different types of color blindness.

Calculate MD5, SHA-1, SHA-256 hashes of files and text.

Конвертируйте между единицами хранения (байты, КБ, МБ, ГБ, ТБ, ПБ).

Calculate download/upload time based on file size and bandwidth.

Estimate upload time based on file size and connection speed.

Calculate required bitrate and storage for video streaming.

Конвертируйте между пикселями, DPI, PPI и размерами печати.

Calculate compound interest with customizable periods and rates.

Generate professional contracts and agreements. Free online tool to create legal documents in your browser.

Generate Non-Disclosure Agreements for your business. Free online tool to create legal documents in your browser.

Generate structured reports from your data instantly. Free online tool to create professional documents in your browser.

Generate certificates and awards with customizable templates.

Generate formal and business letters with templates.

Create custom quizzes and tests with automatic scoring. Free online tool for educators to build interactive assessments in browser.

Convert JSON data to XML format with proper element mapping.

Edit JSON data visually with tree view, inline editing, and validation.

Sort JSON object keys alphabetically or recursively.

Validate and parse JSON5 files that support comments and trailing commas.

View and explore JSON data with collapsible tree visualization.

Clean and repair broken JSON by fixing syntax errors and removing invalid values.

Декодируйте и проверяйте JWT-токены, просматривайте заголовок, полезную нагрузку и подпись.

Compare two JSON objects and highlight structural and value differences.

Generate SQL INSERT statements from JSON data. Free online tool for database developers in your browser.

Convert SQL CREATE TABLE and INSERT statements to JSON.

Convert JSON objects to URL query parameters. Free online tool for API testing in your browser instantly.

Convert XML data to JSON format with attribute handling.

Convert JSON to Java class definitions with proper types.

Convert JSON to C# class definitions with proper types.

Convert JSON to Python dataclass definitions. Free online tool for developers to generate models in your browser.

Convert JSON to TypeScript interface and type definitions.

Convert JSON to JavaScript object and class definitions.

Convert JSON to Go struct definitions with JSON tags.

Convert JSON to Dart class definitions with serialization.

Convert JSON to PHP array and class definitions. Free online tool for web developers in your browser.

Convert JSON to Swift struct definitions with Codable.

Convert JSON to Kotlin data class definitions. Free online tool for Android developers in your browser.

Convert JSON to Rust struct definitions with serde derive.

Convert JSON to C++ class definitions with serialization.

Convert JSON to Objective-C interface and implementation.

Convert JSON data into Ruby class definitions instantly. Free online tool for developers to generate models in the browser.

Convert JSON to Elm type definitions and decoders.

Convert JSON to Postman collection with request items.

Convert Excel (.xlsx) files to JSON format in the browser.

Create animated GIFs from image sequences — 100% local, no upload.

Make photo collages with 6 layouts (2x2, 3x3, horizontal, vertical, 1+2, 1+3) — 100% local.

Permanently redact sensitive text in PDFs by keyword or full page — 100% local.

Edit Excel and CSV files in-browser with live table editing — 100% local.

View, add, edit, delete, and flatten PDF bookmarks/outlines. Export PDF pages as SVG. Uses pdf-lib and pdf.js for local processing.

Базовый монтаж видео: обрезка, поворот, добавление текста, водяного знака. Использует ffmpeg.wasm для локальной обработки в браузере.

Auto format and beautify text content with consistent spacing. Free online text formatter for cleaning messy content.

Добавьте пробелы между китайскими и английскими символами.

Batch add prefixes and suffixes to each text line. Free online tool to format lists and data in your browser instantly.

Insert characters at the Nth position in text. Free online tool to modify strings at specific points in browser.

Add spaces between every character in text for formatting. Free online character spacing tool for design and layout.

Add special symbols and decorations around text lines. Free online text decorator for formatting lists and content.

Add or remove line numbers from text for formatting. Free online line number tool for code and document editing.

Split articles into individual sentences instantly. Free online tool for NLP preprocessing and content analysis in browser.

Repeat text multiple times with customizable options. Free online tool to generate bulk content in your browser instantly.

Reverse text characters, words, or entire lines instantly. Free online text reverser for coding tricks and data processing.

Convert horizontal text to vertical layout for design and display. Free online text to vertical converter for Asian languages.

Pad text to a fixed length with custom characters. Free online tool to align data columns neatly in your browser.

Remove content inside brackets, parentheses, and quotes from text. Free online bracket remover for cleaning data.

Generate all combinations from multiple text inputs. Free online tool to create permutations in your browser.

Merge two text lists and remove duplicates in one step. Free online text merge and dedupe tool for data cleaning.

Keep only duplicate lines from text and remove unique entries. Free online duplicate finder for data analysis.

Show line-by-line differences between two text blocks. Free online tool to compare versions and spot changes in your browser.

Remove all empty and blank lines from text instantly. Free online empty line remover for cleaning up code and data.

Remove all spaces, tabs, and whitespace from text instantly. Free online space remover for compacting code and data.

Convert numbers to English amount words for checks. Free online tool for accurate financial writing in your browser.

Convert numbers to Chinese RMB amount words for invoices and contracts. Free online tool with instant, accurate results.

Convert text to/from Binary, Hex, Escape encoding, and Unicode formats in one tool. Free online developer tool — browser-based, no upload.

Batch convert text between multiple case formats at once. Free online batch case converter for camelCase and snake_case.

Convert between time units like seconds, minutes, hours, and days. Free online time unit converter for calculations.

Convert Chinese characters to Pinyin romanization. Free online Pinyin converter for learning Mandarin in your browser.

Конвертируйте между полноширинными и полуширинными символами.

Convert Arabic numbers to Chinese characters instantly in your browser. Free online tool for financial and formal writing.

Конвертируйте между упрощённым и традиционным китайским.

Convert text to Mars text style for fun and social media. Free online Mars text converter for encrypted-looking messages.

Конвертируйте числа между разными системами счисления.

Convert IPv4 addresses to IPv6 format instantly. Free online IPv4 to IPv6 converter for network configuration and testing.

Encrypt and decrypt text using DES algorithm. Free online tool for secure message encoding in your browser.

Generate SHA-1 hash values from any text string instantly. Free online SHA-1 hash generator for checksums and data verification.

Generate SHA-256 hash values from any text string securely. Free online SHA-256 hash generator for checksums and verification.

Generate MD5 hashes for multiple text strings at once. Free online batch MD5 generator for data verification.

Generate LRC checksum values for text validation. Free online LRC checksum generator for data integrity and protocol testing.

Encrypt and decrypt text using MagicCrypt algorithm. Free online tool for secure message encoding in your browser.

Encrypt and decrypt text with multiple algorithms. Free online crypto toolkit for secure encoding right in your browser.

Filter text lines containing specific keywords. Free online tool to search and extract matching content in your browser.

Extract URLs and links from any text or webpage content. Free online URL extractor for scraping and data collection.

Extract email addresses from any text content instantly. Free online email extractor for building contact lists.

Extract phone numbers from text content in any format. Free online phone number extractor for contact lists and data mining.

Extract IPv4 and IPv6 addresses from any text content. Free online IP extractor for log analysis and security audits.

Extract domain names and URLs from text content. Free online domain extractor for SEO and link analysis in your browser.

Validate Chinese ID card numbers and check formatting rules. Free online Chinese ID verifier for identity verification.

Highlight and mark keywords in text for easy scanning. Free online keyword highlighter for content analysis and proofreading.

Extract numbers and digits from any text or document content. Free online number extractor for data mining and analysis.

Extract license plate numbers from any text instantly. Free online tool to parse vehicle data in your browser.

Extract MAC addresses from text or log files. Free online MAC address extractor for network analysis and security audits.

Extract account names and usernames from text content. Free online account extractor for data collection and analysis.

Extract image URLs from text or HTML content instantly. Free online image URL extractor for scraping and data collection.

Extract Chinese text from mixed-language content. Free online tool to isolate characters for translation in your browser.

Extract English names and proper nouns from text content. Free online name extractor for contact lists and data mining.

Extract Chinese names from mixed text content. Free online Chinese name extractor for contact lists and data processing.

Count keyword occurrences in any text instantly. Free online tool to analyze word frequency and track mentions in your content.

Generate GUID identifiers for databases, APIs, and applications. Free online GUID generator for unique IDs with no signup.

Generate random MAC addresses for network testing and simulation. Free online MAC address generator for virtualization and dev.

Generate IP address ranges and CIDR blocks for network configuration. Free online IP range generator for subnetting and firewalls.

Compress and decompress text using Gzip instantly. Free online tool to reduce data size for transfer in your browser.

Randomly shuffle the order of text lines instantly. Free online tool to randomize lists and data in your browser.

Sort text lines alphabetically A to Z or Z to A. Free online tool to organize lists in your browser instantly.

Sort text lines by character length from shortest to longest. Free online line length sorter for data organization.

Sort lines of text by numeric values in ascending or descending order. Free online numeric text sorter for data organization.

Reverse the order of lines in a text file or list. Free online line reverser for data processing and formatting.

Полная текстовая статистика: символы, слова, строки, байты, время чтения.

Count the frequency of each character in your text. Free online tool to analyze text patterns and distribution in browser.

Count the frequency of each line in text and find duplicates. Free online line frequency counter for data analysis.

Compare two texts line by line and show differences.

Find lines that appear in both text lists for comparison. Free online text intersection finder for data matching.

Combine unique lines from two text lists into one. Free online text union tool for merging datasets in your browser.

Find lines present in one text but missing from another. Free online tool to compare and diff text directly in your browser.

Generate a sequence of numbers with start, end and step.

Trim leading and trailing whitespace from each line. Free online tool to clean up text in your browser.

Remove all special symbols, keep only letters, digits and Chinese.

Remove all numeric digits and numbers from text. Free online digit remover for cleaning text content.

Remove all English letters from text, keeping numbers and symbols. Free online letter remover for data cleaning.

Remove line numbers from the start of each line. Free online tool to clean up formatted text in your browser.

Collapse multiple consecutive empty lines into one.

Удалите строки, содержащие (или не содержащие) ключевые слова.

Remove the first N characters from each text line. Free online tool to batch clean data prefixes in your browser.

Remove the last N characters from each text line. Free online tool to batch clean up data directly in your browser.

Keep only the first N characters from each line. Free online tool to extract prefixes from text in your browser.

Keep only the last N characters from each line. Free online tool to extract suffixes from text data in your browser.

Append a specified string to the end (right side) of every line.

Split text into columns by delimiter for data processing. Free online column splitter for CSV and TSV data.

Merge multiple text columns into one with custom separators. Free online column merger for data consolidation.

Swap two columns in tabular text separated by delimiters. Free online column swapper for data reformatting.

Find common values shared between two text columns. Free online tool to compare data sets and spot overlaps in your browser.

Extract a specific column from tabular text. Free online tool to parse delimited data in your browser instantly.

Merge lines from two text blocks with a separator. Free online tool to combine data rows in your browser.

Format and beautify HTML with proper indentation. Free online tool to clean up messy markup in your browser instantly.

Format CSS with proper indentation and line breaks.

Конвертируйте специальные символы в/из HTML-сущностей.

Escape HTML special characters like angle brackets and ampersands. Free online HTML escaper for preventing XSS in your browser.

Remove all HTML and XML tags from text, leaving plain content. Free online HTML tag stripper for content extraction.

Encode and decode URL strings with percent-encoding for safe transmission. Free online URL encoder and decoder for web params.

Encode or decode text using Base32 RFC 4648. Free online tool for data encoding in your browser instantly.

Convert text to ASCII decimal, hex or octal codes.

Keep or remove lines based on character count. Free online tool to filter text by length in your browser.

Split text into fixed-length chunks for data processing. Free online text splitter for breaking strings into segments.

Cross-merge lines from two texts alternately. Free online tool to interleave data in your browser instantly.

Clone each line of text multiple times with one click. Free online line cloner for data expansion and text processing.

Add sequential numbers to each line of text for reference. Free online line number adder for code and documents.

Convert between plain strings and JSON arrays instantly. Free online tool for developers to transform list data in the browser.

Generate sequences of numbers within any range instantly. Free online tool for creating custom number lists in your browser.

Generate random Chinese names locally in your browser. Free online tool for creating realistic test data and personas.

Generate random English names locally in your browser. Free online tool for creating realistic test data and character names.

Check JPEG chroma subsampling (4:2:0, 4:2:2, 4:4:4) to verify image quality before uploading — 100% local.

Compare two images pixel by pixel with diff highlighting. Supports overlay, side-by-side, and slider modes — 100% local.

Визуально создавайте cron-выражения с превью календаря и понятным описанием — 100% локально.

Edit and validate .env files with syntax checking, duplicate detection, and sensitive info highlighting — 100% local.

Анализируйте данные CSV с авто-статистикой, графиками распределения и фильтрацией. Без входа — 100% локально.

Scan QR codes from images or camera. Supports URL, text, WiFi, vCard detection — 100% local, no upload.

Extract dominant color palettes from images. Export as CSS variables, Tailwind config, or JSON — 100% local.

Validate sitemap XML structure, check URLs, detect errors, and analyze URL statistics — 100% local.

Combine multiple images into a CSS sprite sheet with auto-generated CSS code. Supports @2x and ZIP export — 100% local.

Конвертируйте между единицами CSS (px, rem, em, vw, vh) с пользовательскими базовыми значениями.

Check image DPI/PPI resolution for print readiness. Supports JPEG, PNG, TIFF, and BMP — 100% local.

Convert HTML tables to Markdown, CSV, or JSON. Paste HTML source or rich text — 100% local.

Конвертируйте числа между двоичной, восьмеричной, десятичной и шестнадцатеричной с визуализацией битов.

Visualize nested JSON structures as an interactive, collapsible tree. Expand and collapse nodes to explore complex data hierarchies in your browser.

Check Google Core Web Vitals (LCP, CLS, INP) for any URL using Chrome UX Report data.

Remove watermarks from images using color-based selection or region inpainting — 100% local.

Настраиваемый метроном с контролем BPM (20-300), размерами, акцентными долями и визуальным маятником. Практикуйтесь с точным ритмом.

Calculate musical intervals between two notes. Get interval name, semitone count, and consonance level. Supports reverse calculation.

Select a root note and scale type (major, minor, pentatonic, blues, etc.) to see scale notes and piano keyboard visualization.

Playable virtual piano keyboard using mouse or keyboard keys. Supports recording short snippets and playback.

Generate chord progressions by key and style (pop, jazz, rock, classical). Play chords with audio preview and export as text.

Generate standard A4=440Hz or custom frequency pure tones. Supports sine, square, triangle, and sawtooth waveforms with volume control.

Tap along with music to calculate average BPM. Displays tempo terminology (Allegro, Andante, etc.) based on the detected speed.

Real-time chromatic tuner using microphone input. Displays note name and deviation in cents. Supports guitar, violin, ukulele, and piano modes.

Конвертируйте между цифровой нотацией (Jianpu) и нотацией на нотоносце.

Practice ear training with random intervals, chords, and scales. Guess the answer and track accuracy statistics with difficulty progression.

Detect chords, melody, and key from audio uploads. Generate sheet music, guitar tabs, and song structure — free in your browser.

Advanced audio player with speed change, pitch shift, AB loop, BPM detection, and built-in metronome. Perfect for music practice and transcription.

Upload sheet music images, MIDI, or Jianpu to get an interactive piano guide. OCR-powered note recognition, real-time fingering, and practice tools.

Upload MIDI, MusicXML, or audio to analyze chord structure, detect key, and generate Roman numeral analysis. Chord progression timeline. All processing local.

Create drum beats with a 16-step sequencer. 8 synthesized drum sounds, presets, swing control. Export patterns. All in your browser.

Visualize audio frequencies in real-time. Spectrum analyzer and waveform display. Mic input or file upload with adjustable FFT and smoothing.

Monitor your singing pitch in real-time. See note name, octave, cents deviation on a trajectory chart. Set target pitch and track your vocal range.

Practice rhythm accuracy. Listen to patterns and tap along. Get scored on timing precision. Supports multiple time signatures and difficulty levels.

Interactive circle of fifths. Explore key relationships, scale notes, chord functions, and modal comparisons. Audio playback for every key.

Browse and play any chord. Piano keyboard and guitar fretboard diagrams. View chord notes, intervals, and inversions. Audio playback for voicings.

Visualize scales and chords on a guitar fretboard. 8 tuning presets including bass and ukulele. Note name, interval, and degree display modes.

Transpose notes and chords to any key. See before and after on sheet music. Audio preview for original and transposed versions.

Write music in ABC notation with live preview. Built-in templates, MIDI playback, and syntax reference. Export ABC text files.

View and play sheet music from ABC text, MIDI, or MusicXML files. Playback with note highlighting, tempo control, and transposition.

Play MIDI files with Piano Roll visualization. Multi-track display, speed control, and synth playback. View note details per track.

Practice reading music notation. Random exercises at 3 difficulty levels. Virtual piano input with instant feedback and scoring.

Visualize MIDI as falling notes waterfall. Play along with speed control, transposition, hand separation, and AB loop. Perfect for piano learning.

Browse and search free public domain sheet music. Classical, folk, and exercises. View in staff and Jianpu notation. Play and download.

View and play numbered musical notation (Jianpu). Render with barlines, repeats, key signatures. Supports playback, transposition, and export.

Practice piano with waterfall notes and real-time feedback. Keyboard or microphone input judging. Tracks accuracy, combo, and score.

Interactive music theory learning. Triple view (staff, Jianpu, piano keyboard) for scales, chords, modes, and cadences. Audio playback.

Convert ABC notation to Jianpu (numbered notation). Batch conversion with format options. Export as text or image.

Calculate Basal Metabolic Rate (BMR) using the Mifflin-St Jeor equation based on age, gender, weight, and height.

Calculate Total Daily Energy Expenditure (TDEE) by multiplying BMR with an activity factor. Estimate daily calorie needs.

Estimate body fat percentage using the Navy method or BMI-derived formula. Input neck, waist, and hip measurements.

Calculate ideal weight range using Devine, Robinson, or Miller formulas. Based on height and gender.

Estimate your pregnancy due date and trimester milestones. Free online due date calculator based on last menstrual period.

Predict ovulation and fertile window based on menstrual cycle length and last period date.

Calculate recommended daily water intake based on body weight and activity level. Results in liters and ounces.

Estimate your one-rep max (1RM) for bench press, squat, or deadlift using Epley or Brzycki formulas.

Generate printable receipts and invoices by filling in fields. Export as PDF or image for business records.

Создайте шаблон завещания, заполнив личную информацию и пожелания по распределению активов.

Generate a power of attorney document specifying the agent and authorized actions.

Resize images to optimal dimensions for Instagram, Facebook, Twitter, LinkedIn, and other social platforms.

Calculate social media engagement rate using likes, comments, shares, and follower count. Compare performance metrics.

Score email subject lines based on length, keywords, emoji usage, and best practices. Improve open rates.

Generate call-to-action button copy based on product, audience, and goal. Get conversion-optimized CTA text.

Generate academic citations in APA, MLA, Chicago, and GB/T 7714 formats. Enter source details and get formatted references.

Compare two text passages for similarity. Calculate overlap percentage and highlight matching sections locally in your browser.

Pomodoro-style study timer with customizable focus and break intervals. Track daily study sessions with local statistics.

Calculate weighted GPA across multiple courses. Supports 4.0, 5.0, and percentage grading scales.

Calculate overall grade based on weighted assignments, exams, and quizzes. See what score you need on remaining assessments.

Split a list of names into random teams or groups. Useful for classrooms, workshops, and team-building activities.

Таймер обратного отсчёта для презентаций и выступлений.

Split restaurant bills including tip. Calculate each person's share based on total, number of people, and tip percentage.

Compare debt avalanche vs snowball payoff strategies. See timeline, total interest, and monthly payments for each approach.

Calculate how long it will take to reach a savings goal. Input target amount, monthly savings, and interest rate.

Calculate personal net worth by summing assets and subtracting liabilities. Track wealth over time.

Calculate average cost per share for multiple stock purchases. Determine break-even price and total investment.

Generate geometric SVG patterns with customizable parameters. Export as SVG code for backgrounds and textures.

Check a website favicon size, format, and availability across devices. Free online favicon inspector for SEO and branding audits.

Calculate dimensions for common aspect ratios (16:9, 4:3, 1:1, 9:16). Enter width or height to get the other value.

Конвертируйте между разрешением печати (DPI/PPI) и размерами в пикселях.

Upload a photo and add festive holiday overlays. Create profile pictures with Christmas, New Year, Halloween and more themes.

Generate personalized holiday greetings and wishes. Choose from Christmas, New Year, Chinese New Year, Thanksgiving and more.

Спроектируйте и скачайте пользовательские праздничные открытки.

Enter participant names and randomly pair gift givers. Ensures no one gets themselves. Perfect for Christmas and holiday parties.

Plan your holiday gift list with budget tracking. Add recipients, items, and costs to stay within your spending limit.

Отсчитывайте дни, часы, минуты и секунды до любимых праздников.

Estimate calories burned during common activities including running, cycling, walking, and swimming. Based on MET values.

Calculate your daily macronutrient needs (protein, carbs, fat) based on your goals — weight loss, maintenance, or muscle gain.

Plan your weekly meals with a simple interface. Track breakfast, lunch, dinner and snacks for each day of the week.

Find the best bedtime or wake-up time based on 90-minute sleep cycles. Wake up refreshed and aligned with your circadian rhythm.

Calculate your Body Mass Index (BMI) using metric or imperial units. See your BMI category and healthy weight range.

Calculate monthly mortgage payments including principal, interest, taxes, and insurance. Compare 15-year vs 30-year loan terms.

Calculate monthly payments for personal or auto loans. See total interest paid and a full amortization schedule.

Generate a complete amortization schedule showing each payment's breakdown into principal and interest over the loan term.

Compare the total cost of renting vs buying a home. Factor in mortgage, taxes, maintenance, rent and more for a data-driven decision.

Estimate how much you need to save for retirement. Enter your current savings, monthly contribution, and target retirement age.

Создайте личный бюджет, отслеживая доходы и расходы по категориям.

Estimate your take-home pay after federal and state taxes. Calculate net pay, withholding amounts, and FICA deductions.

Calculate sales tax amounts for US states and international rates. Enter the price and tax rate to get the total including tax.

Calculate monthly student loan payments, total interest, and repayment timelines. Supports standard and income-driven repayment plans.

Generate a basic lease/rental agreement template with landlord and tenant information, terms, and conditions.

Создайте документ купли-продажи для сделок с транспортом, оборудованием или личным имуществом.

Generate uncontested divorce papers template with basic information including spouse details, marital property, and agreements.

Solve quadratic equations, linear equations, and other math problems step by step. Shows the solution process.

Calculate force, velocity, acceleration, kinetic energy, and other physics formulas. Supports SI units and common conversions.

Balance chemical equations by adjusting coefficients. Enter reactants and products to get the balanced equation.

Check English text for common grammar, spelling, and punctuation issues. Get suggestions for clearer writing.

Generate random vocabulary quizzes from a word list. Test your knowledge with multiple-choice or fill-in-the-blank questions.

Track your essay writing time with a built-in timer. Monitor word count, typing speed, and stay focused on your writing task.

Identify world flags by browsing through countries. Learn flag designs, colors, and national symbols from around the world.

Просматривайте и определяйте логотипы автомобилей крупных мировых автопроизводителей. Узнайте об автомобильных эмблемах и символах.

Calculate days between two dates, add or subtract days from a date, and find the day of the week for any date.

Randomly scramble the letters in each word of your text. Creates fun, jumbled text for puzzles or word games.

Quick reference for all HTTP status codes with descriptions, categories, and usage examples.

Полный cheatsheet регулярных выражений с шаблонами и живым тестированием.

Просматривайте именованные CSS-цвета с HEX, RGB и HSL значениями. Мгновенно ищите и копируйте цветовые коды.

Quick reference for common keyboard shortcuts across Windows, Mac, and Linux.

Search and browse thousands of emojis by category, keyword, or meaning. Copy with one click.

Конвертируйте время между часовыми поясами по всему миру.

Quick reference for ISO country codes, calling codes, currency codes, and capitals worldwide.

Quick reference for HTML tags and attributes with descriptions, examples, and browser support.

Comprehensive CSS properties reference with syntax, values, examples, and browser support.

Essential Git commands cheatsheet with common operations, branching, merging, and troubleshooting.

Markdown syntax cheatsheet with formatting examples for headings, lists, code, tables, and more.

JWT structure explanation with header, payload, signature reference and common use cases.

Просматривайте праздники и фестивали стран мира с датами и описаниями.

Discover your MBTI personality type with this free 16-personality test. No signup required. Supports mbti, personality. 16 types support included.

Take the scientifically validated Big Five (OCEAN) personality test. Free online — measure openness, conscientiousness, extraversion, and more.

Find your Enneagram type among 9 personality types. Free online test. Free online psychology test — browser-based, no upload.

Find your zodiac sign by birth date. Learn about your star sign traits and characteristics. Free online, no upload. Astrology support included.

Check zodiac sign compatibility for love and relationships. Free compatibility checker for all 12 astrological signs. No signup required.

Get your free daily horoscope based on your zodiac sign. Updated daily. Free online psychology test — browser-based, no upload.

Calculate your life path number and destiny number from your birth date. Free online psychology test — browser-based, no upload.

Assess your stress level with this quick psychological test. Free and private. Free online psychology test — browser-based, no upload.

Discover your love language with the 5 love languages test. Improve your relationships. Free online psychology test — browser-based, no upload.

Test your emotional intelligence (EQ) with this free online assessment. Free online psychology test — browser-based, no upload.

Calculate Indian income tax for FY 2025-26 under new and old tax regimes. Includes cess, deductions, and take-home salary.

Calculate CGST, SGST, and total GST for Indian goods and services. Supports both add and remove GST modes. Free online, no upload.

Estimate Tax Deducted at Source (TDS) for salary, rent, interest, and professional fees under Indian tax rules. Free online, no upload.

Calculate House Rent Allowance (HRA) exemption for Indian salaried employees under Section 10(13A). Free online, no upload.

Compute capital gains tax for Indian equities, mutual funds, real estate, and gold with STCG/LTCG rates. Free online, no upload.

Estimate Employees Provident Fund (EPF) corpus at retirement including employer and employee contributions. Free online, no upload.

Calculate Public Provident Fund maturity amount, interest, and Section 80C tax savings over 15 years. Free online, no upload.

Project returns for Indian mutual fund SIP investments with step-up contributions and long-term growth. Free online, no upload.

Calculate Compound Annual Growth Rate for Indian investments to compare performance across assets. Free online, no upload.

Estimate National Pension System corpus, lump sum, and monthly pension with 80CCD tax benefits. Free online, no upload. India support included.

Calculate gratuity amount under Indian Payment of Gratuity Act with tax exemption limits. Free online finance calculator — browser-based, no upload.

Compute advance tax installments and quarterly payment schedule for Indian taxpayers. Free online finance calculator — browser-based, no upload.

Look up Japanese address information by 7-digit postal code. Covers major cities including Tokyo, Osaka, and Kyoto. Free online, no upload.

View official Japanese national holidays for 2025 including Golden Week, Obon, and New Year. Free online, no upload. Calendar support included.

Get information about all 47 Japanese prefectures including capital, region, and population. Free online, no upload. Todofuken support included.

Find JR and Shinkansen routes between major Japanese stations with stop counts. Free online utility tool — browser-based, no upload.

Convert Japanese kanji to simplified or traditional Chinese characters. Free online text tool — browser-based, no upload.

Practice reading hiragana and katakana with interactive romaji quizzes. Free online education tool — browser-based, no upload.

Calculate Japanese income tax, social insurance, and take-home pay with reconstruction tax. Free online, no upload. Resident tax support included.

Simulate Japanese annual salary including bonuses, social insurance, and tax deductions. Free online finance calculator — browser-based, no upload.

Calculate Japanese consumption tax (10% and 8% reduced rate) instantly. Free online VAT calculator for Japan with tax-inclusive and exclusive modes.

Estimate Japanese year-end tax adjustment (年末調整) online. Free calculator for income tax, deductions, and withholding in Japan.

Estimate Japanese national pension (国民年金) and employee pension (厚生年金) contributions. Free online retirement calculator for Japan.

Calculate Japanese unemployment insurance (雇用保険) benefits and premiums. Free online employment insurance calculator for Japan workers.

Check Japanese dependent deduction (扶養控除) eligibility and amounts. Free online tax deduction calculator for Japan dependents.

Create a Japanese JIS-format resume (履歴書) online. Free browser-based resume builder with standard Japanese templates and photo upload.

Generate custom Japanese hanko stamps (印鑑) online. Free browser-based seal maker for names in kanji, katakana, or romaji.

Generate JAN barcodes (EAN-13 format) for Japanese products online. Free barcode maker with PNG download for retail and inventory.

Generate HTML forms from JSON Schema. Supports text, number, checkbox, select, and email fields with validation. Free online, no upload.

Edit SVG code with live preview and quick-insert shapes. Download your vector graphics instantly. Free online, no upload.

Create PowerPoint presentations with custom themes. Add slides via simple text input and export as PPTX. Free online, no upload.

Generate EAN, UPC, CODE128, and CODE39 barcodes for products. Free online barcode generator for retail and inventory.

Generate custom QR codes from URLs, text, or WiFi credentials. Free online QR code maker with size and color options in your browser.

Generate secure random passwords with custom length and character sets. Free online password generator for strong security.

Generate placeholder text in paragraphs, sentences, or words. Optional HTML wrapping for web development mockups. Free online, no upload.

Calculate Korean age (traditional and international), zodiac animal, and zodiac sign from birth date. Explains Korean age system.

Convert Korean traditional units: pyeong (area), geun (weight), ja/chuk (length), and doe/mal (volume) to metric and imperial.

Generate random Korean names with Hangul, Romanization, and common surname distribution. Copy names to clipboard. Free online, no upload.

Calculate BMI using Korean health standards. Includes obesity degree and standard weight based on Korean norms. Free online, no upload.

Convert Hangul to Romanization, explore Hanja meanings, and learn Korean speech levels (casual vs formal). Free online, no upload.

View Korean national holidays including Seollal, Chuseok, and Hangul Day for any year. Includes lunar holiday notes. Free online, no upload.

Calculate Korean Won units (man/eok/jo), approximate USD conversion, and Korean VAT (10%). Free online, no upload. Krw support included.

Format Korean addresses in domestic and international standards. Supports postal code, road name, and detail address. Free online, no upload.

Calculate Korean year-end tax settlement (연말정산) online. Free income tax calculator for South Korea with deductions and credits.

Calculate Korean 4 major insurance premiums: pension, health, employment, and long-term care. Free online South Korea insurance calculator.

Estimate Korean income tax (근로소득세) from salary. Free online progressive tax calculator for South Korea with monthly and annual breakdown.

Convert between Korean jeonse (전세) and wolse (월세) rent systems. Free online rent converter for South Korea real estate. Supports korea, jeonse.

Calculate Thai VAT 7%, withholding tax 3%, and social security contributions based on Thai regulations. Free online, no upload.

Convert Thai traditional units including Rai/Ngan (area) and Baht/Tamlueng (weight) to metric and imperial. Free online, no upload.

Calculate Indonesian PPh 21 income tax with PTKP deductions based on marital status and dependents. Free online, no upload.

Calculate Vietnamese VAT 10%, progressive personal income tax, and social/health/unemployment insurance. Free online, no upload.

View national holidays for Thailand, Indonesia, Vietnam, Malaysia, Philippines, and Singapore. Free online, no upload. Southeast asia support included.

Convert between ASEAN currencies (THB, IDR, VND, MYR, PHP, SGD) with approximate exchange rates. Free online, no upload.

Calculate Thai VAT (7%) and personal income tax (PIT) online. Free tax calculator for Thailand with progressive rate brackets.

Calculate Vietnamese personal income tax (PIT/thuế TNCN) online. Free tax calculator for Vietnam with progressive rates and deductions.

Calculate Indonesian PPh 21 income tax from salary. Free online tax calculator for Indonesia with progressive rates and TER tables.

Calculate UK VAT at standard (20%), reduced (5%), or zero rates. Supports adding or removing VAT from amount. Free online, no upload.

Calculate VAT for 15 EU countries with their specific rates. Supports add/remove VAT and displays net, VAT, and gross amounts.

Calculate German income tax (Einkommensteuer) with solidarity surcharge and social security based on tax class. Free online, no upload.

Calculate UK income tax and National Insurance with personal allowance taper. Supports England/NI/Wales and Scotland rates.

Convert between European currencies (EUR, GBP, CHF, SEK, NOK, DKK, PLN, CZK, HUF) with approximate rates. Free online, no upload.

Convert shoe sizes between EU, UK, US Men, US Women, and CM foot length systems. Free online utility tool — browser-based, no upload.

Calculate Australia PAYG income tax with Stage 3 cuts (2024-25). Includes Medicare Levy, MLS, and net income projection.

Estimate HECS/HELP compulsory repayment, annual indexation, and years to repay based on income and debt balance. Free online, no upload.

Calculate stamp duty for all Australian states/territories with first home buyer concessions. Includes transfer fees. Free online, no upload.

Calculate Medicare Levy (2%) and Medicare Levy Surcharge tiers based on income, family status, and private insurance. Supports australia, medicare.

Project superannuation balance at retirement. Includes SG contributions, contributions tax, and compound growth table. Free online, no upload.

Freehand drawing whiteboard with pen, eraser, line, rectangle, and circle tools. Supports color selection, brush size, and PNG export.

Create animated bar, line, and pie charts from simple CSV-like data. Supports random color themes and PNG export. Free online, no upload.

Calculate Singapore CPF contributions (employee/employer) and income tax (YA 2024) with age-tiered rates and personal reliefs.

Calculate Malaysia EPF contributions and monthly PCB tax deductions with marital status and relief amounts (2024). Free online, no upload.

Calculate Philippines SSS, PhilHealth, Pag-IBIG contributions and annual income tax under TRAIN law with dependent exemptions.

Compress images to reduce file size while keeping quality. Free online image compressor for web optimization.

Resize images to specified dimensions while keeping quality. Free online image resizer for social media and web.

Turn your code into beautiful shareable images. Choose themes, window decorations, gradients, and export for social media — 100% local.

Write and preview LaTeX equation snippets instantly. Free online tool for math notation in your browser with live rendering.

Create animated time series charts with line, area, and bar types. Supports dual-series comparison and PNG export. Free online, no upload.

Translate text using multiple free engines (MyMemory, Lingva, LibreTranslate) side by side. Compare results and pick the best.

Automatically detect the language of any text. Supports 70+ languages with confidence scores. Free online, no upload. Language detect support included.

Translate text using popular free translation platforms. Switch between Google Translate, DeepL, and Bing. Supports online translate, Google Translate.

Analyze word frequency in any text. View results as a sorted table or bar chart with stop-word filtering. Free online, no upload.

Measure keyword frequency, density, and content focus for SEO writing.

Compare two texts and calculate similarity using Jaccard and Cosine algorithms. Useful for plagiarism detection. Free online, no upload.

Look up English word definitions, phonetics, examples, synonyms, and antonyms using a free dictionary API. Supports dictionary, definition.

Convert speech to text in real-time using your browser. Supports multiple languages via Web Speech API. Supports speech to text, voice typing.

Generate a concise extractive summary of any text. Automatically ranks sentences by importance using TF-IDF. Free online, no upload.

Convert text between camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and more. Free online, no upload. Case converter support included.

Explore any Unicode character: code point, name, category, HTML entity, and encoding details. Free online, no upload. Unicode查询 support included.

Remove HTML tags, extra whitespace, and special characters. Convert rich text to clean plain text. Free online, no upload.

Learn English with video/audio. Local Whisper speech recognition, sentence repeat, A-B loop, speed control, and subtitle export.

Upload English videos to extract subtitles with Whisper AI. Generate slides, vocabulary lists, and sentence-by-sentence playback for language learning.

Test your microphone with real-time audio visualization and volume meter. Free online online tool — browser-based, no upload.

Test your webcam with live video preview, resolution selection, and screenshot capture. Free online online tool — browser-based, no upload.

Test your monitor for dead pixels, color accuracy, and gradient uniformity. Free online online tool — browser-based, no upload.

Test all keyboard keys with visual layout, N-key rollover detection, and latency measurement. Free online, no upload. Nkro support included.

Test your speakers with audio tones, channel isolation, and frequency sweeps. Free online online tool — browser-based, no upload.

Test your mouse buttons, scroll wheel, double-click, and tracking accuracy. Free online online tool — browser-based, no upload.

Test your touchscreen with multi-touch detection, gesture recognition, and drawing. Free online online tool — browser-based, no upload.

Measure your monitor refresh rate in real-time with FPS history chart. Free online online tool — browser-based, no upload.

Benchmark your GPU with WebGL rendering tests and detailed hardware information. Free online online tool — browser-based, no upload.

Test your gamepad controller buttons, joysticks, and triggers with visual feedback. Free online online tool — browser-based, no upload.

Create ZIP archives from multiple files with optional password encryption. Free online file tool — browser-based, no upload.

Extract individual frames from GIF animations and export as PNG or JPG. Free online image tool — browser-based, no upload.

Create electronic signatures by drawing with customizable pen settings. Free online image tool — browser-based, no upload.

Hide secret messages in PNG images or extract hidden text using LSB encoding. Free online image tool — browser-based, no upload.

Analyze JPEG compression quality from quantization tables with optimization tips. Free online image tool — browser-based, no upload.

Flatten PDF annotations, form fields, and layers into static content. Free online PDF tool — browser-based, no upload. Supports pdf, flatten.

Run preflight checks on PDF files for print readiness compliance. Free online PDF tool — browser-based, no upload. Supports pdf, preflight.

Check color contrast ratios for WCAG 2.1 AA and AAA compliance. Free online developer tool — browser-based, no upload. Supports accessibility, wcag.

Enhance AI prompts with templates for role reinforcement, task decomposition, and chain-of-thought. Free online, no upload.

Summarize documents locally using extractive text analysis without uploading. Free online developer tool — browser-based, no upload.

Enlarge images with high-quality interpolation and sharpening, processed locally. Free online image upscaler — browser-based, no upload, private.

Encrypt and decrypt files with AES-256-GCM using password-based keys. Free online security tool — browser-based, no upload.

Practice Linux commands in a simulated terminal environment with 14 built-in commands. Free online developer tool — browser-based, no upload.

Track daily habits with check-in, streak counting, and weekly calendar view. All data stored locally in your browser.

Track income and expenses by category with monthly summary charts. Free online productivity tool — browser-based, no upload.

Manage your shopping list with categories, check-off items, and sharing. Free online productivity tool — browser-based, no upload.

Create, review, and export flashcard decks with flip animation. Free online education tool — browser-based, no upload. Supports flashcard, card.

Enhance and combine document photos into PDF with grayscale and contrast adjustment. Free online image tool — browser-based, no upload.

Edit PDF form fields visually. Modify text boxes, checkboxes, radio buttons, and dropdowns. Free online, no upload. Fill support included.

Run FFmpeg commands online. Process video and audio files in your browser using ffmpeg.wasm. Supports ffmpeg, command. Convert support included.

Advanced subnet calculator with CIDR, VLSM, binary visualization, and batch subnet planning. Free online, no upload. Ip support included.

Calculate aspect ratios for video, image, and screen. PPI calculator and social media presets. Free online, no upload. Width support included.

Track daily habits with streak counting, calendar heatmap, and statistics. All data stored locally. Supports habit, tracker.

Generate Chinese New Year couplets with matching characters and horizontal scroll. Create festive spring festival banners with traditional calligraphy style.

Calculate the correct Chinese kinship title for any family relationship. Enter a chain like "father's sister's son" to get the proper address.

Browse and generate traditional lantern riddles for Mid-Autumn and Lantern Festival. Categories include characters, idioms, animals, and plants.

Calculate love compatibility percentage between two names. Get a fun match analysis across personality, interests, and values dimensions.

Track relationship days and countdown to next anniversary. Calculate days together, view milestones like 100 days, 365 days, 1000 days.

Create Halloween pumpkin carving stencils. Choose from classic faces, cats, bats, skulls and more. Download printable black and white templates.

Design and decorate colorful Easter eggs. Choose patterns like stripes, polka dots, flowers, and geometric shapes. Download your decorated egg.

Test your knowledge of world holidays with trivia questions. Categories include Christmas, Chinese New Year, Halloween, Thanksgiving and more.