Minificador CSS
Minifica y optimiza tu código CSS
Entrada CSS
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What is CSS Minifier?
CSS minification removes whitespace, comments, and redundant code from stylesheets to reduce file size, which directly improves page load speed and Core Web Vitals scores. DailyDevTools' CSS Minifier compresses your CSS instantly in your browser — no uploads, no server round-trips. It also handles beautifying minified CSS back to readable form for debugging third-party stylesheets.
How to use CSS Minifier
- 1Paste your CSS code into the input panel
- 2Click Minify to remove all whitespace and comments and reduce file size
- 3Review the size reduction stats shown below the output (original vs. minified bytes)
- 4Click Beautify to expand already-minified CSS back into readable, indented code
Frequently asked questions
Does minifying CSS break anything?
No. CSS minification only removes characters that browsers ignore — whitespace, comments, and redundant semicolons. The rendered output is identical to the original.
How much file size reduction can I expect?
Most CSS files see a 20–40% size reduction from minification. Files with many comments or verbose formatting can see 50%+ reduction.
Should I minify CSS manually or use a build tool?
For production projects, use a build tool like Vite, webpack, or PostCSS to minify automatically. This tool is ideal for quick one-off minification, inspecting third-party CSS, or projects without a build pipeline.
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