⚙️ Developer Tool 100% Client-Side Private

CSS Minifier & Formatter

Original CSS
Minified CSS

Options

Strips /* ... */ tags

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How to use CSS Minifier & Formatter

1

Paste your CSS code into the Original CSS box.

2

Choose 'Minify' to compress the file size, or 'Format' to make minified code readable.

3

Toggle 'Remove Comments' based on whether you need to preserve developer notes.

4

Copy the resulting code or click Save to download it as a .css file.

Why use our CSS Minifier & Formatter?

Instant Minification

Reduce your website's CSS bundle size instantly by stripping unnecessary whitespace, line breaks, and trailing semicolons.

Code Beautifier

Have a minified file that you need to edit? Switch to Format mode to instantly add proper indentation and line breaks back into the code.

100% Secure & Private

All processing happens in your browser. Your files are never uploaded to our servers, guaranteeing absolute privacy and security.

Lightning Fast

Because everything runs locally on your device, processing is instant. No waiting in queues or dealing with slow uploads.

Frequently Asked Questions

Does minifying CSS improve SEO?

Yes, minifying CSS reduces the file size, which improves your website's loading speed. Page speed is a ranking factor for Google SEO.

Will this break my CSS?

This tool performs safe, standard whitespace and syntax minification that preserves the functionality of valid CSS.