Free Developer Tools Online
Free Developer Tools Online
Free developer tools online: a JSON formatter and validator, HTML, CSS and JavaScript beautifiers and minifiers, Base64 and URL encoders, MD5 and SHA hash generators and a HEX to RGB colour converter. Everything runs locally in your browser — your code is never uploaded.
Every tool below is completely free, works on phone and desktop, and runs 100% in your browser — your files and text are never uploaded to a server.
JSON, XML & Data Converters
- JSON Formatter
- JSON Validator
- JSON Viewer
- JSON Minifier
- JSON to XML
- XML to JSON
- JSON to CSV
- CSV to JSON
- JSON and YAML Converter
- XML Formatter
- JSON to TypeScript Converter
- CSV to HTML Table Converter
Beautify, Minify & Edit Code
- HTML Beautifier
- HTML Minifier
- CSS Beautifier
- CSS Minifier
- JavaScript Beautifier
- JavaScript Minifier
- SQL Formatter
- HTML Live Editor
- Markdown and HTML Converter
CSS & Colour Tools
- Color Converter
- Color Picker and CSS Gradient Generator
- CSS Box Shadow Generator
- CSS Triangle Generator
Encoders, Hashes & Generators
- Base64 Encode and Decode
- URL Encode and Decode
- HTML Encode and Decode
- MD5 Hash Generator
- SHA Hash Generator
- UUID Generator
- Subnet Calculator
- Unix Timestamp Converter
- JWT Decoder
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