Free Online CSS Formatter & Minifier
Format and minify CSS online. Beautify stylesheets for readability or compress CSS for smaller files. Free, fast, and client-side.
100% Client-Side · Your data never leaves your browserHow to Use CSS Formatter & Minifier
Paste CSS, choose Format or Minify, then run the tool.
- Format expands rules with consistent indentation and line breaks.
- Minify removes comments and unnecessary whitespace.
- Use Copy to copy the cleaned stylesheet.
Frequently Asked Questions
What does CSS minification do?
It removes comments, extra whitespace, and unnecessary separators to reduce file size.
Will formatting change CSS behavior?
Formatting is intended to preserve behavior while making the stylesheet easier to read.
Is my CSS uploaded?
No. CSS is processed locally in your browser.