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Encode and decode HTML entities for special characters. Free online HTML encoder to escape tags, symbols, and attributes safely.
HTML 인코더 is a free online 개발 tool that works right in your browser — whatever you enter is processed locally and never sent to a server. No installation, no signup; works on both phone and desktop, ready to use instantly.
개발자를 위한 코드 도구로, 구문 강조, 실시간 검증, 포맷팅 기능을 제공합니다. JSON, XML, YAML, SQL 등 주요 형식을 전면 지원합니다.
As developers ourselves, we kept switching between scattered tools that sent our code to unknown servers. We built this developer suite so formatting, validation, and conversion all run locally — your code stays yours.
Technical support engineers and QA analysts triaging issues from production logs and bug reports. Instead of copying snippets into a local editor and hunting through menus, paste the raw output here and get a clean, inspectable result in one step.
네, 가입 없이 완전 무료입니다.
네, 모바일 브라우저에서 터치를 지원합니다.
개발
JSON, XML, YAML, SQL, CSV, TOML 등을 지원하며, Java, Python, TypeScript 등의 코드 형식 변환도 지원합니다.
ToolPure supports JSON, XML, YAML, TOML, CSV, SQL, and Markdown formatting. Validation includes syntax checking, schema validation for JSON, and well-formedness checking for XML.
Yes, you can convert between JSON, XML, YAML, CSV, and TOML. The converter preserves data types, nested structures, and array indices during conversion.
Files up to 10MB can be formatted without issues. For larger files, the tools use Web Workers to prevent UI freezing. Syntax highlighting supports files with up to 100,000 lines.
Yes. HTML 인코더 is a pure front-end tool: whatever you type or paste is processed only in your browser's memory and never sent to a server. It disappears as soon as you refresh or close the page.
🔒 Privacy & Security：All processing happens locally in your browser. Files are never uploaded or stored.
🔒 Privacy: All processing happens locally in your browser. Your files and data never leave your device — no upload, no server, no tracking.