JavaScript Formatter

Format JavaScript syntax locally without executing it.

How to use JavaScript Formatter

  1. Enter or paste the source value into the tool.
  2. Choose the relevant javascript formatter options.
  3. Review and copy or download the generated result.

Processing and privacy

The supported processing runs locally in your browser.

This tool has a real browser-side processing path and passed representative verification.

Common questions

Is JavaScript Formatter available now?

Available now and verified for normal production use.

Where does processing happen?

The supported processing runs locally in your browser.

Related Developer tools

  • HTML Formatter — Format HTML syntax locally without executing it.
  • CSS Formatter — Format CSS syntax locally without executing it.
  • SQL Formatter — Format common SQL syntax locally without executing or validating a database dialect.
  • XML Formatter — Format XML syntax locally without executing it.