Code Formatters — 6 Free Online Tools
6 free online code formatters. No signup required.
Format, validate, and beautify code in any language. Our free online formatters support JSON, HTML, SQL, CSS, YAML, and more. All processing happens in your browser - your code never leaves your device.
CSS Formatter & Validator - Beautify & Minify CSS Online
Free online CSS formatter and validator. Beautify messy CSS, minify for production, fix syntax errors. Instant results, no signup required.
Free YAML Validator - Validate & Format YAML Online
Free YAML validator and formatter. Validate YAML syntax, fix errors with line numbers, and format YAML for better readability. No signup required.
HTML Formatter - Format & Beautify HTML
Free HTML formatter. Format, prettify and beautify HTML code with proper indentation and validation.
JSON Formatter - Format & Validate JSON
Free JSON formatter. Format, minify, beautify JSON and convert to YAML with syntax error detection.
SQL Formatter - Format & Beautify SQL
Free SQL formatter. Format and beautify SQL queries with proper indentation. Supports MySQL, PostgreSQL, SQLite.
XML Formatter - Format, Validate & Beautify XML Online
Free XML formatter and validator. Format, beautify, minify XML, convert to JSON, and validate well-formedness. Browser-based, no signup, 100% private.