Free Developer Tools
Simple, fast tools for everyday development tasks. No sign-up required.
Data
JSON Formatter
Format, validate, and minify JSON data. Paste your JSON and get clean, readable output.
EncodingBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to text. Useful for data URIs, API tokens, and more.
CSSColor Converter
Convert colors between HEX, RGB, and HSL formats. Preview colors in real-time.
CSSCSS Unit Converter
Convert between px, rem, em, %, pt, vw, and vh. Change one value and all others update instantly.