CSS Minifier
Minify CSS by removing comments, whitespace and unnecessary characters.
A CSS minifier removes comments, extra whitespace and redundant characters from your stylesheets, shrinking file size for faster page loads.
How to Use the CSS Minifier
- Paste your CSS. Enter the stylesheet to minify.
- Copy the result. Get the compact CSS.
This tool processes your input locally in your browser. Nothing is uploaded.
What Is CSS Minifier?
Minifying CSS removes everything that browsers do not need — comments, whitespace and redundant separators — reducing download size.
Why minify CSS?
Smaller CSS files load faster, which improves performance and Core Web Vitals. Minification is lossless: the browser renders the same styles.
Key Features
- Removes comments and whitespace
- Keeps styles intact
- Copy or download
Examples
- Comments and extra spaces are stripped to reduce bytes.
Common Use Cases
- Production builds
- Performance optimization
- Distribution
Tips & Best Practices
- Always keep the original source for future edits.
Limitations
- This is a basic minifier; advanced tools also merge rules and optimize colors.
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Frequently Asked Questions
What does a CSS minifier do?
It removes comments, whitespace and redundant characters from CSS to reduce size.
Will it change how my site looks?
No, the output renders identically.
Is it free?
Yes, and it runs locally.