Format Code

JavaScript Minifier

Remove comments and extra whitespace from JavaScript snippets. The result is generated locally in your browser.

Format Code - local browser run

What this tool is for

JavaScript Minifier compresses small snippets for examples, embeds, and quick sharing.

When to use it

Use it when byte-perfect build-tool minification is unnecessary and you only need compact text.

What the result means

The result removes common comments and collapses whitespace around punctuation.

Use notes

  • It is intentionally conservative and not a production optimizer.
  • Regex literals and unusual strings may need manual review.
  • Use a bundler/minifier for real application releases.

Privacy and limits

Everything runs in your browser tab. Avoid pasting production secrets, private tokens, customer data, or proprietary code into any online page unless your team policy allows it.