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Free JavaScript Formatter
Format and minify JavaScript code.
Pretty-print or minify JavaScript snippets for readability or smaller size. Ideal for small scripts and quick edits.
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How to use JavaScript Formatter
- Paste JavaScript.
- Click Format or Minify.
- Copy the result.
Features
- Pretty-print
- Minify
- Snippet friendly
Why use this tool
- Pretty-print dense JavaScript for debugging and review.
- Minify scripts when you need a compact pasteable snippet.
- Format code locally without sending it to a server.
Common use cases
- Readable-format a one-line bookmarklet or snippet
- Clean vendor paste before understanding a bug
- Minify a small helper for embedding in HTML
What is JavaScript Formatter?
JavaScript Formatter is a free online tool on Free Quick Tools. Format and minify JavaScript code. Processing stays in your browser whenever this tool runs locally.
Privacy
Your files never leave your device. All processing happens in your browser.
Frequently Asked Questions
Does it execute my code?
No. It formats or minifies text. It does not run the script in a sandbox for you.
Can it fix syntax errors?
Invalid JavaScript may fail to parse. Correct syntax first, then format.
Is code uploaded?
No. Formatting runs in your browser.
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