Ship Faster With Perfectly Optimized CSS
Remove up to 80% of your CSS payload in milliseconds. The developer-first minification tool that guarantees perfect rendering and maximum performance.
Trusted by 10,000+ developers worldwide
/* Before: 45KB */
.btn-primary {
background: #2563EB;
color: white;
padding: 12px 24px;
}
/* After: 12KB */
.btn-primary{background:#2563eb;color:#fff;padding:12px 24px}
POWERING MODERN DEVELOPMENT TEAMS
Everything you need for perfect stylesheets
Built by developers, for developers. We've stripped out the noise to give you a pure, highly-performant tool.
Zero Server Roundtrips
Your code never leaves your machine. We use advanced browser APIs to parse and minify your CSS instantly and securely on your own device.
Lightning Fast Regex
Optimized algorithms strip whitespace and comments in a fraction of a millisecond.
Maximum Accuracy
Preserves all standard and modern CSS features, media queries, and container queries.
See the difference
Stop serving bloated CSS to your users.
/* Main Button Styles */
.submit-btn {
display: inline-flex;
align-items: center;
background-color: #2563EB;
color: #FFFFFF;
/* Spacing */
padding-top: 1rem;
padding-bottom: 1rem;
border-radius: 8px;
}
.submit-btn{display:inline-flex;align-items:center;background-color:#2563EB;color:#FFFFFF;padding-top:1rem;padding-bottom:1rem;border-radius:8px;}
How It Works
Three simple steps to better performance.
Input Code
Paste your CSS, upload a file, or drag and drop your stylesheet directly into our editor.
Auto-Optimize
Our engine instantly cleans comments, strips whitespace, and formats the output string.
Deploy Faster
Copy the code to your clipboard or download the .css file ready for production deployment.
Loved by Developers
Don't just take our word for it.
"Absolutely essential for my workflow. I don't always want to set up Webpack or Vite for quick landing pages. This tool does exactly what it says perfectly."
Sarah Jenkins
Frontend Engineer"The fact that it runs entirely locally in the browser is a huge win for privacy. I can minify client CSS without worrying about NDAs."
Marcus Chen
Tech Lead"Clean, fast, and doesn't bombard me with ads like other SEO tools. The UI is gorgeous and keyboard shortcuts are a nice touch."
Elena Rodriguez
UI/UX DesignerCommon Questions
Yes, 100% free with no limits, no accounts required, and no hidden paywalls.
We use JavaScript directly within your browser to parse and compress the CSS. Your code is never sent to our servers, ensuring total privacy.
Ready to speed up your website?
Join thousands of developers optimizing their code.
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