Free Online Code Formatter

Format and minify HTML, CSS, and JavaScript instantly.
No uploads. No servers. No account required.

100% Private - Code Never Leaves Your Device

Formatting and minification run locally in your browser only.

Formatter

Paste code to begin.

Tip: Use Auto detect if you are unsure of the code type. You can still force a specific language.

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How to Use

  1. Select language (or auto-detect) and paste code.
  2. Run Format for readable structure or Minify for compact output.
  3. Copy result and clear when done.

Example: Beautify minified JavaScript before debugging and reviews. See full use case.

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Common next steps for this workflow: