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CSS / JS ➝ Minified100% Client-Side

CSS / JS Minifier

Paste CSS or JavaScript, pick a mode, and regex will strip comments and collapse whitespace — down to a single compact line, right in your browser.

How to

How to convert CSS / JS to minified code online for free

  1. 1Paste your CSS / JS into the input panel — nothing is uploaded.
  2. 2Review the options and, if shown, choose the direction (CSS / JS → minified code).
  3. 3Click Convert / Format — the result is produced in your browser.
  4. 4Copy the minified code result from the output panel.
FAQ

Frequently Asked Questions

Answers to the most common questions about Convrs.

How do I convert CSS / JS to minified code for free?
Paste your CSS / JS, click Convert, and copy the minified code result. It is free, runs entirely in your browser, and nothing is uploaded.
Is CSS/JS Minifier private and secure?
Yes. CSS/JS Minifier runs entirely in your browser, so your data never leaves your device — nothing is uploaded or stored on a server.
What does minification do?
Minification strips whitespace, comments and unnecessary formatting from CSS and JavaScript, shrinking files for production and faster page loads.

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About this tool

Understanding CSS/JS Minifier

CSS/JS Minifier processes CSS / JS right where you are. Paste your input, review any options, and copy the minified code output — no uploads, no account, no waiting on a server.

Browser-based utilities earn their place by being controllable. You see exactly what goes in, you get exactly what comes out, and you can re-run the tool as often as you like without trading your data for it. It fits naturally between your editor and your terminal.

Privacy by construction: CSS/JS Minifier runs entirely in your device's memory. Your files, text and data are never uploaded, stored or logged by us — there is no server in the path.

100% in-browser — nothing is uploaded
No account or sign-up required
Free to use, no watermarks
Runs on desktop and mobile browsers
Your source data is never stored or logged
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