Developer Tools
CSS Minifier Online Free
Minify CSS code online and reduce file size. This tool runs directly in your browser.
About CSS Minifier
CSS Minifier removes unnecessary whitespace, comments and line breaks from CSS to reduce file size for websites.
Key Features
✓ Minify CSS
✓ Remove comments
✓ Reduce file size
✓ Copy minified CSS
✓ Download CSS file
✓ Useful for production
How to Use
- Paste CSS code.
- Click Minify CSS.
- Review compact output.
- Copy or download the minified CSS.
Example
Input
body {
margin: 0;
padding: 0;
}Output
body{margin:0;padding:0}Frequently Asked Questions
Why minify CSS?
Minified CSS is smaller and can help websites load faster.
Does minifying change CSS behavior?
No. It removes unnecessary characters while keeping the same rules.
Should I keep original CSS?
Yes. Keep readable source CSS and use minified CSS for production.