CSS Minifier Online Free
Minify CSS code to reduce file size. Remove comments, whitespace, and unnecessary characters.
How to Use CSS Minifier
- 1
Paste your CSS code into the input area.
- 2
Click 'Minify CSS' to compress it.
- 3
See the size comparison and copy the minified output.
About CSS Minifier
Reduce your CSS file size by removing unnecessary whitespace, comments, and characters. Smaller CSS files load faster, improving page speed and SEO rankings. Google recommends minifying CSS as part of web performance optimization.
Built by
Fateh Raiyan IshmumFull-stack dev since 2020. Full-stack web developer since 2020. Builds privacy-first, open-web tools. Specialises in Next.js, TypeScript, and performance-focused design.
Frequently Asked Questions
Removes comments, extra whitespace, line breaks, and unnecessary characters to reduce file size.
Typically 20-50% depending on original formatting.
Yes. Minification only removes non-functional characters.