JavaScript Formatter

Beautify minified or dense JavaScript into indented, readable code you can scan and debug.

Input
Output
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About the JavaScript Formatter

Bundled and minified JavaScript is unreadable. This formatter adds line breaks and indentation around blocks and statements so you can follow the logic.

Formatting runs locally; nothing is uploaded.

How to use the JavaScript Formatter

  1. 1Paste JavaScript into the editor.
  2. 2Click “Format JS”.
  3. 3Copy the formatted code.

Key benefits

  • Readable, indented code.
  • Helps debug minified bundles.
  • Private and instant.

Real-world examples

Read a minified bundle

Expand a one-line script to inspect it.

Frequently asked questions

Is this a full Prettier replacement?+

It provides quick, lightweight formatting rather than full AST-based rewriting.

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