JavaScript Beautifier — Format JS Online

Prettify minified or messy JavaScript for debugging and code review. Configure indent, brace style, and line wrap — nothing leaves your browser.

Your data never leaves your browser

Indent

Wrap

Preserve newlines

Braces

Unescape strings

JavaScript input

Formatted JavaScript

BeautifyBrace styleUnminifyCopyPrivate

How to use

Paste JavaScript or upload a .js file.
Set indent, wrap width, and brace style.
Copy or download readable output.

Examples

FAQ

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