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CSS Minifier

Optimize your CSS files by removing whitespace, comments, and unnecessary characters. All processing happens client-side.

Minify CSSCompress CSSOptimize CSS

CSS Input

Minified Output

How to use this tool

Paste your CSS code into the input area.
Click 'Minify CSS' to process the stylesheet.
View compression statistics and copy the optimized output.

How to use CSS Minifier

Open the tool, paste or upload your input, choose any options, and copy or download the output.

Provide input (text, code, or a file) in the tool UI.
Adjust settings (if available) to match your needs.
Click the action button (or type) to generate the result.
Copy or download the output.

How CSS Minifier works

This tool runs entirely in your browser. It processes your input locally using client-side JavaScript and generates an output you can copy or download.

No accounts, no uploads, and no server-side processing are required.

Benefits of this tool

Performance Boost

Smaller CSS files load faster and improve page speed.

Production Ready

Get minified CSS perfect for production deployments.

Secure & Private

All processing happens securely. For local tools, your files and data never leave your device, ensuring maximum privacy and security.

FAQ

Is my data uploaded to your servers?

No. All processing happens in your browser. Your data stays on your device.

What are the limits?

Limits depend on your browser and device memory. Very large inputs may be slow or fail in low-memory environments.

Can I use this tool offline?

Yes, after the page is loaded once, most tools continue to work offline as long as required scripts are available in your browser cache.

Related Tools

HTML Minifier

Minify HTML code to reduce file size and improve load times.

JavaScript Minifier

Minify JavaScript code to reduce file size and improve load times.

Privacy Notice

All processing happens inside your browser. No files or data are uploaded to our servers, ensuring your privacy is strongly protected.