Free online code formatters and beautifiers. Format JSON, XML, HTML, CSS, SQL, JavaScript, and more. All processing happens in your browser - your code never leaves your device.
Format, validate, and minify JSON data
Pretty print and beautify JSON with indentation
Format, beautify, and minify XML documents
Pretty print and beautify XML with indentation
Format and beautify HTML with proper indentation
Format and beautify CSS code
Beautify SQL queries with proper indentation and keyword casing for MySQL, PostgreSQL, ClickHouse & more
Convert data to JSONL for AI fine-tuning
Format JS code online - beautify with indentation or minify for production
Format, beautify, and minify TypeScript code
Format and beautify Python code with PEP 8 style
Format, beautify, and minify PHP code
Format, beautify, and minify Java code
Format, beautify, and minify GraphQL queries and schemas
Format and beautify nginx.conf files with proper indentation for server, location, and upstream blocks
Clean, well-formatted code is easier to read, debug, and maintain. Our free online formatters help you instantly beautify messy code, whether it's minified JSON from an API response, compressed CSS, or auto-generated SQL queries.
100% Private: Unlike other online formatters, your code never leaves your browser. All formatting happens locally using JavaScript, so you can safely format sensitive code without privacy concerns.
No Limits: Format as much code as you want, as often as you need. No sign-ups, no usage caps, no premium tiers.