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CSS Minifier – Compress & Optimize CSS Online Instantly

CSS Minifier Tool

Speed up your website by reducing your CSS file size.

Paste your CSS code and instantly get a minified version — cleaner, faster, optimized for performance.

Our online CSS Minifier tool removes whitespace, comments, and unnecessary characters from your CSS code, making it lighter and improving your page load times.

WebsiteTool.in
Minification

FEATURES

  • ✅ Instant CSS Minification
    Paste your code and receive the optimized CSS in seconds.
  • ✅ No Quality Loss
    Original styling and functionality remain unchanged — only unnecessary characters are removed.
  • ✅ Improve Page Load Speed
    Smaller CSS means faster load times and better performance (especially on mobile).
  • ✅ Free & Unlimited
    No signup, no limits, use it anytime.
  • ✅ Developer / Designer Friendly
    Textbox input, immediate output, ready to copy, perfect for web developers, designers, and site owners.
  • ✅ Secure Processing
    Everything happens in your browser — your code stays private and is not stored.

HOW IT WORKS

  • ✅ Paste your CSS code into the input box.
  • ✅ Click Minify CSS .
  • ✅ Copy your minified CSS output and replace it in your project.

Example ( before ) 

/* Main style */
body {
    background-color: #fff;
    margin: 0;
    padding: 0;
}

Example ( After ) 

body{background-color:#fff;margin:0;padding:0;}