CSS Minifier

Developer Tools

Shrink CSS and see bytes saved

FreePrivateInstant
Add a file · .txt .md .csv .json … · up to 2.00 MB

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CSS Minifier — at a glance

Make your stylesheet smaller for faster page loads.

CSS
.a {
color: red;
}
Minify CSS
Minified
.a{color:red}

How to use it — step by step

Any CSS code.

1

Paste your input

Paste or type your content into the big input box.

2

Choose options

Pick the mode and options that fit what you need.

3

Minify CSS

Press the button. The result is created instantly on your device.

4

Copy the result

Check the output and press Copy to use it anywhere.

Pro tips

Small things that make the result better.

✦Keep your original file — minified code is hard to edit.
✦Combine this with gzip or brotli on your server.
✦Always test the page after replacing the CSS.

Quick facts

Freeno signup, no limit
Instantresult in a moment
Privatenothing is uploaded
Any devicephone, tablet or PC

Frequently Asked Questions

Is minifying safe?+

Yes. It only removes things the browser ignores.

What about strings with spaces?+

Spaces inside quoted strings are collapsed, so avoid double spaces in content strings.

Is my data safe?+

Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.

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