How much does minification reduce CSS size?

Typically 20–40% for average stylesheets. Files with many comments see larger reductions.

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CSS Minifier

Minify CSS to reduce file size or prettify to improve readability.

CSS input

Why Minify CSS?

Every kilobyte of CSS blocks page rendering until it's downloaded and parsed. Minifying CSS reduces transfer time, especially on mobile networks, and is a standard step in production build pipelines.

Frequently Asked Questions

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