← All Tools / Utility

Port Scanner

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

Port Scanner is a free online utility tool. Your input is processed on secure servers over an encrypted HTTPS connection and nothing is stored. No software to install; works on both phone and desktop.

Loading tool...

How to use

  1. 1 Open the Port Scanner tool page.
  2. 2 Paste your text, URL, or data into the input area.
  3. 3 Choose the operation mode and parameters.
  4. 4 Run the tool and review the result.
  5. 5 Copy or download the result.

Why we built this tool

We noticed most online tools upload your files to remote servers. Since privacy is our core principle, we built this tool to process everything locally in your browser.

Frequently Asked Questions

Is this tool free?

Yes, completely free with no signup required.

Can I use it on mobile?

Yes, it works on mobile browsers with touch support.

What category does this belong to?

Utility

Is Port Scanner safe? Is my data uploaded or stored?

Port Scanner sends your input over an encrypted HTTPS connection to our servers to complete the processing. Nothing you submit is stored; results are only displayed in your current 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.

Related tools

Port Checker Check if network ports are open or closed on any host. Free online port checker for connectivity testing in your browser. QR Code Reader Scan QR codes from images or camera. Supports URL, text, WiFi, vCard detection — 100% local, no upload. Supports qr, code. Unit Converter Convert between weight, length, and other units instantly. Free online tool for quick measurement calculations in your browser. PNG to SVG Converter Convert PNG raster images to SVG vector graphics online for free. Trace and vectorize logos or icons directly in your browser. Barcode Generator Generate barcode images in CODE128, EAN-13, UPC, CODE39, and more formats. Customize size, color, and download as PNG. Free online, no upload. URL Shortener & QR Code Generate clean short links with custom aliases, QR codes, and click tracking analytics. 100% local, no account required. Random Number Generator Generate random numbers within a custom range for lotteries and sampling. Free online random number generator for games. IP Address Lookup Look up IP address location, ISP, and geolocation details instantly. Free online IP lookup tool for network diagnostics.