Free Online CSS Minifier
Reduce your CSS file size in seconds. Remove unnecessary whitespace, comments, and characters to make your website load faster.
Why Minify CSS?
Minification is the process of removing unnecessary characters from code without changing its functionality. For CSS, this means removing whitespace, newlines, and comments.
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Faster Page Load
Smaller files download faster, improving your site's speed scores.
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Reduced Bandwidth
Save money on hosting bandwidth by serving optimized files.
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Better SEO
Google prioritizes fast-loading websites in search rankings.
Need a Fast Theme?
Stop struggling with bloated code. Our WordPress themes are pre-minified and optimized for speed out of the box.
Common Questions
Will this break my site?
No, minification only removes visual formatting (spaces, comments) for humans. The browser understands the code perfectly.
How much space can I save?
Typically, you can reduce file size by 20% to 40% depending on how many comments and whitespace characters were in the original file.
Can I un-minify the code later?
It is difficult to perfectly restore formatting once minified. We recommend keeping a "development" version (style.css) and a "production" version (style.min.css).