Test regular expressions with live matches, indices, and capture groups.
Flags: /g/
Debug regular expressions against sample text with live match results. Everything stays on your device.
Your browser’s JavaScript RegExp engine.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text in your browser.
Developer Tools
Beautify or minify JSON with clear validation errors.
Developer Tools
Compare two texts line by line and highlight additions and removals.
Text Tools
Encode and decode Base64 strings with proper UTF-8 support.
Developer Tools
Convert CSV to JSON and JSON to CSV privately in your browser.
Developer Tools
Pick colors and convert between HEX, RGB, and HSL with a live swatch.
Image Tools
