Developer Tools

JSON Formatter Format, validate, and minify JSON in your browser. Formatters Base64 Encoder & Decoder Encode and decode Base64 strings with full UTF-8 support. Encoders URL Encoder & Decoder Encode and decode URL-safe strings and query parameters. Encoders JWT Decoder Decode and inspect JSON Web Tokens locally. Nothing leaves your browser. Auth UUID Generator Generate cryptographically random UUID v4 identifiers. Generators YAML Formatter & Validator Format, validate, and beautify YAML in your browser. Formatters XML Formatter & Validator Format, validate, and minify XML in your browser. Formatters SQL Formatter Format and beautify SQL queries with dialect-aware rules. Formatters HTML Formatter Format and beautify HTML markup in your browser. Formatters CSS Formatter & Beautifier Format and beautify CSS stylesheets in your browser. Formatters JavaScript Formatter Format and beautify JavaScript code in your browser. Formatters TOML Formatter & Validator Format, validate, and beautify TOML configuration files in your browser. Formatters CSV Formatter & Viewer Format, validate, and view CSV files as a table in your browser. Formatters Markdown Previewer Write Markdown and see the rendered HTML side by side in your browser. Viewers JSON Schema Validator Validate JSON data against a JSON Schema in your browser. Detailed errors with paths. Validators JSON to YAML Converter Convert JSON to clean, indented YAML in your browser. Converters