Beautify and format minified JavaScript with proper indentation
Free JavaScript formatter and beautifier. Paste minified or messy JS and get clean, readable code with consistent indentation. Powered by js-beautify.
Formatting adds proper indentation, line breaks, and spacing to minified or poorly formatted JavaScript, making it much easier to read and debug.
No. JavaScript ignores whitespace (outside strings). Formatted and minified versions are functionally identical.
Yes. Select 'Tab' from the indentation options to use tab characters instead of spaces.
This tool uses js-beautify, the same library used by many code editors and online formatters.
No. All formatting happens locally in your browser. Your code never leaves your machine.
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Last updated: January 2025