Developer Tools
CSS Minifier Online
Compress production stylesheets by eliminating unnecessary bytes, comments, and whitespace for faster web performance.
Processed locally in browser memory.
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How to Use CSS Minifier
1
Paste CSS
Enter your CSS stylesheet.
2
Minify
Click Minify to collapse the stylesheet into a single line.
3
Copy
Copy the compacted CSS output.
About CSS Minifier
Parses CSS token streams, stripping comments and collapsing whitespace around delimiters ({}, :, ;) to single characters.
Supported Formats
CSS
Operational Limits
- •Preserves strings inside content: "..." and url(...)
Key Features
- Removes all CSS comments (/* */)
- Strips trailing semicolons before closing braces
- Byte savings counter
- Zero rendering alteration
Frequently Asked Questions
CSS minification typically reduces stylesheet file sizes by 20% to 40%.
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