Developer tools
6 developer utilities, all running in your browser. No signup, no tracking.
- Encode / DecodeBase64 and URL percent encoding.
- GeneratorPassword, UUID v4 and SHA-256.
- QR CodeGenerate a QR code locally for text or a URL.
- ColorHex, RGB, HSL conversion with contrast-safe ink.
- JSON FormatterPretty-print, minify and validate JSON.
- HTML EntitiesEscape and unescape markup characters.