CSS Minifier & Beautifier
Minify CSS to reduce file size, or beautify / format messy CSS for readability. Free online CSS tool — instant, no server required.
Frequently asked
questions
Typically 20–60% depending on how much whitespace and comments exist. Minification alone without gzip is less effective than serving minified CSS with gzip (HTTP compression), which stacks for a bigger reduction.
No. This tool only removes whitespace and comments. It does not reorder rules, remove duplicate properties, or perform optimizations that could change rendering behavior.