Online CSS Minifier — Free CSS Compressor & Minifier
What is a CSS Minifier?
A CSS minifier compresses CSS code by removing unnecessary whitespace, comments, and formatting. The result is functionally identical CSS that loads faster because it's 30-60% smaller. Minification is a standard step in web performance optimization.
Why Use Our CSS Minifier?
- Shows savings — See original size, minified size, and percentage saved
- Instant — One click, no waiting
- Private — Your code stays in your browser
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How to Use
- Paste your CSS code
- Click Minify
- View the savings statistics and copy the minified CSS
Frequently Asked Questions
Will minification break my CSS?
No. Proper minification only removes whitespace and comments. The CSS rules remain identical.
How much can I save?
Typically 30-60%, depending on how much whitespace and how many comments your original CSS contains.