JavaScript Formatter
Format and beautify messy or minified JavaScript code online, instantly. Free JS formatter for readable, properly indented output — no sign-up.
Formatted JavaScript will appear here...
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Frequently asked questions
What is JavaScript Formatter?+
Format and beautify messy or minified JavaScript instantly.
How do I use JavaScript Formatter?+
Proper indentation, consistent spacing, and readable structure. Paste minified JS and get clean, formatted output. Useful for reading bundled code, debugging, or code review. Runs entirely in the browser — your code never leaves your machine
Is JavaScript Formatter free?+
Yes, JavaScript Formatter is completely free. No account or sign-up required, and all processing happens in your browser — nothing is sent to a server.
Is my data safe when I use JavaScript Formatter?+
Yes. JavaScript Formatter runs entirely in your browser using JavaScript and Web APIs — your input is never uploaded, transmitted, or stored on any server.