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TRULLZ

Free JavaScript Formatter

Re-indent and tidy JavaScript code.

Your formatted code will appear here.
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How to use the JavaScript Formatter

  1. 1Paste JS.
  2. 2Format.
  3. 3Copy the tidy code.

Features

  • Bracket-based indentation
  • String/template aware
  • Copy button

Frequently Asked Questions

Is this a full parser?

It’s a heuristic formatter — great for re-indenting, not a complete AST rewrite.

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About the JavaScript Formatter

Lightweight JS beautifier that restores indentation in minified or messy scripts. The JavaScript Formatter runs entirely in your browser — your data is processed locally and never uploaded to a server. Explore more Developer tools or browse all free online tools.