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YourToolsKit
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JavaScript Minifier & Beautifier

Minify JavaScript to reduce bundle size or beautify minified JS for readability. Free browser-based JavaScript formatter.

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.

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

How we calculate this

All calculations run entirely in your browser โ€” no data is sent to any server. Here is exactly how this tool 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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