CSS Minifier
Minify your CSS code to reduce file size. Remove comments, collapse whitespace, and optimize. 100% client-side — your code never leaves your browser.
Paste CSS code or upload a file (max 1 MB)
Minified CSS
What is CSS to Minified CSS Conversion?
CSS minification removes unnecessary whitespace, comments, and shortens properties to reduce file size. FreeCVT minifies entirely in your browser.
Understanding the Formats
CSS Format
CSS is the language used to style HTML documents.
Minified CSS Format
Minified CSS is a compressed version with reduced file size while maintaining identical styling.
When to Use This Converter
- Reduce website load times
- Optimize CSS for production
- Decrease bandwidth usage
Limitations
- Some minification may affect CSS custom properties
- Comments within strings are preserved
- Very large files may be slow to process
Why Freecvt?
100% Private
Your code is processed in your browser. Nothing is uploaded to any server.
Instant
Minification happens instantly. See the size reduction in real time.
Smart Optimization
Simplifies shorthand properties and removes redundant whitespace.
Frequently Asked Questions
How much can I reduce file size?
Typically 15-40% reduction.
Will minification break my styles?
No. All functional CSS is preserved.
Should I minify during development?
No. Keep original for debugging. Minify for production.
Is my code uploaded?
No. Everything happens in your browser.