Free Online Formatters — No Sign-Up Required
Make messy data readable — JSON, XML, SQL, and code formatters with syntax highlighting.
4free tools — all processed locally in your browser
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CSV ↔ JSON Converter
Convert between CSV and JSON data formats.
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SQL Formatter
Format SQL queries with proper indentation and keyword casing.
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XML Formatter
Format and minify XML documents.
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YAML ↔ JSON Converter
Convert between YAML and JSON formats seamlessly.
About Our Formatters
Clean, format, and beautify messy data with our free formatter tools. Paste in minified JSON, compressed CSS, or tangled SQL and get back perfectly indented, syntax-highlighted output in milliseconds. Each formatter validates your input and highlights errors in real time, so you can fix issues as you go. Perfect for developers reviewing API responses, debugging config files, or documenting data structures.