Developer Tools • Compress & Optimize

CSS Minifier

Compress your CSS code by removing unnecessary whitespace, newlines, and comments to reduce file size and improve page load speed.

Input CSS Paste raw code

Minified Output

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Faster Loading

Smaller file sizes mean faster download times for your users.

Save Bandwidth

Reduce bandwidth usage by optimizing your CSS assets.

Safe Minification

Our algorithm safely removes whitespace without breaking logic.

Why Minify CSS?

Minification is the process of removing unnecessary characters from source code without changing its functionality. For CSS, this means removing whitespace, newlines, comments, and block delimiters that are useful for human readability but not needed for the browser.

Key Benefits

Reduced File Size: Can reduce CSS file size by up to 20-40%.
Improved SEO: Faster loading sites rank better in search engines.
Better User Experience: Users on mobile networks load your site faster.

Frequently Asked Questions

Will minification break my CSS?

No, minification only removes unnecessary characters like spaces and comments. The browser interprets the code exactly the same way.

Can I reverse minification?

You can use a "CSS Beautifier" or "Unminifier" tool to add formatting back, but original comments removed during minification cannot be recovered.

Does this tool store my code?

No, all processing happens locally in your browser. Your code is never sent to our servers.