🛠️ Developer Tools

Free developer utilities — JSON, QR codes, Base64, units, colors, and number bases.

{ }JSON FormatterBeautify, minify, and validate JSON with clear error messages. 📷QR Code GeneratorCreate QR codes for any URL or text — download as PNG or SVG. 🔄Base64 Encoder/DecoderEncode or decode Base64 strings with full Unicode support. 📏Unit ConverterConvert length, weight, and temperature units. 🎨Color ConverterConvert between HEX, RGB, and HSL formats. 💻Binary/Decimal/Hex ConverterConvert numbers between number bases.

About Our Developer Tools

Built for developers who need a quick answer without opening a terminal. JSON formatting, QR code generation, Base64 encoding, unit conversion, color conversion, and number base conversion all run entirely in your browser — safe to use even with sensitive data, since nothing is ever uploaded to a server.