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JavaScript Minifier & Beautifier

Minify JavaScript to reduce bundle size or beautify minified JS for readability. Shows byte savings. Free online JS minifier and formatter โ€” no uploads.

๐Ÿ’ก This is a basic JS formatter. For production use, consider tools like Terser (minify) or Prettier (beautify) which handle all edge cases.

About This Tool

Minify JavaScript to reduce file size and improve page load speed, or beautify compressed JS to make it readable again for debugging. See exact byte savings after minification.

How It Works

1

Paste your JavaScript into the input

2

Click Minify to compress or Beautify to format

3

View the output and byte savings

4

Copy the result to your clipboard

Frequently Asked Questions

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๐Ÿ”’100% Private โ€” runs in your browser
โšกNo uploads โ€” instant results
๐Ÿ†“Always free โ€” no sign-up
๐Ÿ“ฑWorks on mobile & desktop