Will this break my CSS?

The minifier only strips comments and unnecessary whitespace — it doesn't change selectors or values, so behavior stays identical.

CSS Minifier

Minify CSS to reduce file size and improve page load performance.

CSS Input

Minified Output (32% smaller)

.card{padding:16px;border-radius:8px;background:#ffffff}.card:hover{box-shadow:0 4px 12px rgba(0,0,0,0.08)}

About the CSS Minifier

Minify CSS to reduce file size and improve page load performance. This tool runs entirely client-side — your data is processed locally in your browser and is never uploaded to a server, making it safe to use with sensitive information.

CSS Minifier

About the CSS Minifier

Frequently Asked Questions

Will this break my CSS?