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css Developer Tool

CSS Minify & Beautify

Compress your CSS to perfectly shrink file size, or instantly beautify compressed code for editing. Fast, secure, and fully responsive.

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Input CSS

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Output Result

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Awaiting Input

Paste your CSS code in the left panel and select an action below to process it.

About this tool

Minify CSS to significantly reduce your file size for faster page loads, or beatify compressed CSS back into a readable format for easy editing. Our advanced minifier automatically strips out whitespace and comments (while safely preserving /*! important */ licenses). Processing happens over a secure, encrypted connection with absolutely no data logging.

Also explore our JSON Formatter, JS Minifier, or Image Compressor to optimize all assets on your platform.

Frequently Asked Questions

Common questions about the CSS Minify.

What is the CSS Minify and how does it work?

The CSS Minify is a free online utility designed to help you quickly and easily minify or beautify CSS. Reduce file size, keep important comments, download .min.css. It runs directly in your browser, meaning you don't need to download or install any software.

Is the CSS Minify free to use?

Yes, our CSS Minify is 100% free to use with no hidden fees, limits, or subscriptions. You have unlimited access to all features without needing to create an account.

Is it safe to use the CSS Minify?

Absolutely. Your privacy and security are our top priorities. The CSS Minify utilizes advanced secure processing, and we never store your data or files on our servers.

Does the CSS Minify work on mobile devices?

Yes! The CSS Minify is built with a fully responsive mobile-first design, meaning it works flawlessly on any device including smartphones, tablets, laptops, and desktop computers.