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JavaScript Formatter

Format JavaScript with consistent indentation and spacing, directly in your browser, no server round-trip required.

Your data is processed locally in your browser

How to Use the JavaScript Formatter

  1. 1Paste your JavaScript.
  2. 2Click Format.
  3. 3Copy or download the formatted code.

Frequently Asked Questions

Does it support modern JS syntax?+

Yes, ES2020+ syntax including optional chaining and JSX-like expressions is supported.

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