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CSS Minifier

Minify and compress CSS code for better performance

Input CSS

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Minified CSS

Minified CSS will appear here

Paste CSS in the input area to get started

How to Minify CSS Code - Step by Step Guide

Step 1

Input Your CSS Code

Ready to optimize your CSS? Simply paste your CSS code into the input area. The minifier will remove unnecessary whitespace, comments, and optimize your styles for better performance.

Example: Try This CSS Code

Copy and paste this CSS example to see how it works: 😊

/* Navigation Styles */
.navbar {
  background-color: #2c3e50;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Button Styles */
.btn-primary {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
}
Step 2

See Automatic CSS Minification

Watch the transformation! 🎉 The tool removes all unnecessary whitespace, comments, and optimizes your CSS for better performance. File size reduction can be 40-60% or more!

Minified CSS Output

Your CSS becomes this optimized, compressed format:

.navbar{background-color:#2c3e50;padding:1rem 2rem;box-shadow:0 2px 4px rgba(0,0,0,.1)}.btn-primary{background-color:#3498db;color:white;border:none;padding:.75rem 1.5rem;border-radius:4px}
Size reduction: ~65% smaller (Original: 387 bytes → Minified: 136 bytes)
Step 3

Copy or Download Your Minified CSS

Perfect! Now you can copy the minified CSS to your clipboard or download it as a file. The optimized CSS is ready to improve your website's performance.

•
Faster page loading with reduced file sizes
•
Reduced bandwidth usage for better mobile performance
•
Improved SEO scores through faster loading times
•
Production-ready CSS for deployment

What is CSS Minification? ⚡

CSS minification is the process of removing unnecessary characters from CSS code without changing its functionality. This includes removing whitespace, comments, unnecessary semicolons, and optimizing values to reduce file size.

Minified CSS loads faster, uses less bandwidth, and improves website performance. It's an essential optimization technique for production websites, especially for mobile users and slower internet connections.

Frequently Asked Questions

How much can CSS minification reduce file size?

CSS minification typically reduces file size by 40-60% or more, depending on the original formatting. Files with extensive comments and whitespace see even greater reductions, significantly improving load times.

Does CSS minification affect functionality?

No! Minification only removes unnecessary whitespace, comments, and optimizes values while preserving all CSS rules, selectors, and properties. Your styles will work exactly the same way.

When should I use minified CSS?

Use minified CSS for production websites to improve loading speed and reduce bandwidth usage. Keep formatted CSS for development and debugging, then minify for deployment.

Can this tool handle large CSS frameworks?

Yes! The minifier efficiently processes large CSS files including frameworks like Bootstrap, Foundation, or custom stylesheets with thousands of lines, providing significant size reductions.

Is this CSS minifier completely free?

Yes, completely free with no file size limits, no registration required, and unlimited usage. All minification and optimization features are available at no cost.