JavaScript Minifier & Beautifier – Format JS Online

ToolsFaction Online Tool

JavaScript Minifier & Beautifier – Format JS Online

Minify JavaScript whitespace or expand compact JavaScript into a more readable layout online.

Ready.

Minify JavaScript whitespace or expand compact JavaScript into a more readable layout online.

About This Tool

ToolsFaction JavaScript Minifier & Beautifier provides lightweight browser-side formatting for quick code cleanup. It is not a full production compiler or AST minifier.

How to Use

  1. Paste your source into the input panel.
  2. Choose Minify or Beautify.
  3. Review the transformed output.
  4. Copy the result when ready.

Example

Paste JavaScript source and switch between compact and readable formatting.

Frequently Asked Questions

Does this change my source file automatically?

No. The transformed result appears separately in the output panel.

Can I copy the result?

Yes. Use Copy Output.

Is processing browser-based?

Yes. The transformation runs in your browser.

Should I test minified code?

Yes. Always test transformed production code in its target environment.

Free to UseNo hidden fees
No Sign-UpStart instantly
Browser-BasedNothing to install
Privacy FriendlyBuilt for simple use
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