1
Paste CSS
Copy your raw CSS code from your editor or IDE and paste it into the input area.
CSS Minifier
Compress your CSS code instantly. Remove whitespace, comments, and unnecessary characters to reduce file size and improve load times.
0 Bytes
Remove Comments
Strip /* comments */
Keep Last Semicolon
Maintain ; before }
How to Minify CSS
2
Configure
Choose whether to keep comments or the last semicolon depending on your build requirements.
3
Download
Click 'Minify' to see the compressed code, then copy or download it as a .min.css file.
Why Minify CSS?
Faster Load Times
Smaller files download faster, improving the Time to First Byte (TTFB) and overall page speed.
Lower Bandwidth
Reducing file size saves bandwidth, which can lower hosting costs and improve performance on mobile data.
Better SEO
Search engines favor faster websites. Minification is a key step in technical SEO optimization.
Clean Production Code
Keep your source code readable for developers with comments and indentation, but serve clean code to users.
Frequently Asked Questions
Why should I minify my CSS?
Minifying CSS removes unnecessary characters like whitespace, comments, and newlines. This reduces the file size, leading to faster download times and improved website performance, especially on mobile networks.
Will minifying CSS change how my site looks?
No. Minification only removes characters that are ignored by browsers, such as spaces and comments. It does not alter the functionality or visual output of your stylesheets.
Does this tool support CSS preprocessors like SCSS or Sass?
This tool is designed for standard CSS. If you paste SCSS or Sass, it may compress the text, but it will not compile the preprocessor syntax into standard CSS. You should compile your code first, then use this tool to minify the output.
How much space can I save by minifying?
The savings depend on your coding style. Well-formatted CSS with lots of comments and indentation can often be reduced by 40% to 60% in size.
Perfect For
Optimization for modern web development
Front-End Devs
Optimize stylesheets
Performance Tuners
Improve Core Web Vitals
Mobile Devs
Reduce data usage
QA Engineers
Validate production builds