Free Online Tool
CSS Minifier
Remove comments and unnecessary whitespace from CSS.
The CSS Minifier lets you remove comments and unnecessary whitespace from CSS. Paste your text below and the converted result appears immediately — no waiting, no upload, and nothing saved anywhere.
How to use the CSS Minifier
- Paste your original text into the input box.
- Choose any conversion options offered above.
- Copy the converted result, or download it as a .txt file.
- Use Clear to start over with new text.
Key features
- Converts instantly as you type, with no delay.
- 100% private — your text stays in your browser.
- Free to use, with no sign-up and no daily limit.
- Handles both short snippets and long documents well.
Questions
Frequently asked questions
Is the CSS Minifier free to use?
Yes — the CSS Minifier is completely free, with no sign-up, no trial period, and no hidden limits.
Is my text uploaded anywhere when I use the CSS Minifier?
No. The CSS Minifier runs entirely in your browser using JavaScript. Your text is processed on your own device and is never sent to a server.
Can I use the CSS Minifier on my phone?
Yes. The CSS Minifier works in any modern browser, including on mobile devices, with no app to install.
Is there a limit to how much text I can use?
There's no artificial limit. Because everything runs in your browser rather than on a server, the CSS Minifier can generally handle as much text as your device can comfortably process.
Handy to know
Popular tools
Explore the rest of the toolbox
111 free browser-based text tools — no sign-up, nothing ever uploaded.
View all tools