Free Developer Tools

100+ browser-based developer tools. Format JSON, test regex, decode JWTs, generate UUIDs, and more. No signup, no install.

Data Formatters

JSON Formatter SQL Formatter XML Formatter YAML/JSON Converter CSS Minifier Code Formatter

Encoders & Decoders

Base64 Encoder JWT Decoder URL Encoder HTML Entity Encoder Hash Generator String Escape

Testing & Debugging

Regex Tester XPath Tester API Tester Code Review Text Diff Cron Parser

Generators

UUID Generator Password Generator Lorem Ipsum API Key Generator README Generator Git Command Builder

CSS & Design

Color Converter Color Palette CSS Grid Builder Flexbox Playground Box Shadow Generator Border Radius CSS Animations SVG Editor Favicon Generator

Converters

Unix Timestamp Number Base Unix Permissions HTML to JSX CSS to SCSS JSON to YAML

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