Category · 10 tools

Developer Tools

Format, encode, decode and debug — fast utilities for developers, all running locally.

⭐ Featured in Developer Tools

Format, beautify, minify and validate JSON instantly — errors pinpointed by line and column, all in your browser.

Format, beautify, minify and validate JSON instantly — errors pinpointed by line and column, all in your browser.

Encode text to Base64 or decode it back — UTF-8 safe, instant, private.

Percent-encode text for URLs or decode %20-style strings back to readable text.

Escape HTML special characters to entities — or decode &-style entities back.

Generate version-4 UUIDs in bulk — cryptographically random, one-click copy.

SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text — computed locally, live.

Convert colors between HEX, RGB and HSL — with a live swatch and native picker.

Convert Unix timestamps to dates and dates back to timestamps — with a live "now".

Decode a JWT's header and payload locally — with an expiry check. No verification, no upload.

Minify CSS by stripping comments and whitespace — with a size-saved report.