CSS Minifier
Remove comments and whitespace to shrink CSS files. Free, private and instant.
About the CSS Minifier
Minifying CSS strips comments and spaces without changing how styles apply. Smaller stylesheets download faster and help page speed scores.
When to use it
Use it for small sites without a build step, or to check how much weight your stylesheet can lose before deploying.
How to use the CSS Minifier
- Enter or paste your input in the fields above.
- The result updates as you type, or press Run.
- Press Copy to copy the output.
Frequently asked questions
Is the CSS Minifier free?
Yes. It is completely free, with no signup and no usage limits.
Is my data uploaded anywhere?
No. Everything runs locally in your browser, so what you type never leaves your device.
Does the CSS Minifier work on mobile?
Yes. The tool is responsive and works on phones, tablets and desktops.
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