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JS & CSS Minifier Online

Paste your JavaScript or CSS, click Minify and get smaller, production-ready code instantly β€” server-side, no plugins needed.

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Tips
  • Max input: 500 KB
  • Minify β€” removes comments & whitespace
  • Beautify β€” formats & indents code
  • @import rules preserved
  • Output is production-ready
  • Code never stored on server

What is Minification?

Minification removes whitespace, comments, and unnecessary characters from JS/CSS without changing functionality. Smaller files load faster β€” critical for PageSpeed scores, Core Web Vitals, and user experience.

Frequently Asked Questions

No. Your code is processed in-memory on the server and the result is sent back immediately. Nothing is saved to disk or any database.

JS minification also shortens variable names and removes dead code. CSS minification removes comments, extra spaces and optimises color values (e.g. #ffffff β†’ #fff).

Yes β€” minification only removes non-functional characters. Logic, selectors, and functionality remain identical.

500 KB per request. For larger files, split them or use a build tool like webpack or Vite in your development pipeline.
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