CSS Minifier
Paste or upload your CSS and click Minify. This tool removes comments, whitespace, and unnecessary characters — all in your browser.
CSS Minifier – Free Online Tool
Our CSS Minifier is a free online tool that helps you reduce the size of your CSS files. It works directly in your browser — no installation, no server processing, and fully offline-friendly. Simply paste your CSS, upload a .css file, and get the minified output instantly.
Minifying CSS makes your website faster by removing comments, unnecessary whitespace, and reducing file size without changing how your site looks.
Key Features
- Paste or Upload CSS: Copy and paste your code or upload a
.cssfile. - Instant Minification: One click to reduce CSS size.
- Copy & Download: Copy minified code or download as
.min.css. - 100% Client-Side: Your CSS never leaves your browser.
Why Use a CSS Minifier?
- ⚡ Faster Website Speed - Minified CSS loads quicker.
- 📈 Better SEO - Faster sites rank higher in search engines.
- 💾 Reduced Bandwidth Usage - Smaller CSS means less data transfer.
- 👌 Improved User Experience - Visitors enjoy quicker page loads.
FAQs - CSS Minifier Tool
Q1. What is CSS minification?
CSS minification removes unnecessary spaces, comments, and line breaks to reduce file size without affecting functionality.
Q2. Why should I minify CSS?
Minifying CSS improves site performance, SEO, and reduces load times.
Q3. Is this CSS Minifier safe?
Yes ✅. The tool runs entirely in your browser — no data is uploaded.
Q4. Can I upload a CSS file?
Yes, you can upload a .css file, and the tool will generate a minified version.
Q6. Will minification change my site's look?
No. Minification only removes redundant characters. Your site will look exactly the same.
Q7. Can I use this tool offline?
Yes. Since it runs in your browser, it works offline after the page has loaded.
Q8. Is there a file size limit?
No strict limit, but very large CSS files may slow down the browser. For production, use tools like cssnano or CleanCSS.
Related Tools
