How to use CSS Formatter Online
- Enter or paste your CSS into the input field to begin.
- Use the Indent setting to control the result.
- CSS Formatter Online updates the output automatically as you type.
- Finish by choosing Copy to take the output with you.
About this tool
CSS Formatter Online runs entirely in your browser. CSS Formatter Online processes CSS in your browser, applying the transformation to the styles you paste without altering their meaning.
Nothing about your stylesheet is uploaded. No data is sent anywhere, so it stays fast and private by default.
Frequently asked questions
What does CSS Formatter Online do?
Use CSS Formatter Online to format your input without installing anything using the Indent control; everything happens client-side.
Does CSS Formatter Online cost anything?
No — CSS Formatter Online is completely free, with no sign-up and no hidden limits.
Is my input private in CSS Formatter Online?
Yes — your input never leaves your device; CSS Formatter Online does all the work in your browser.
Does CSS Formatter Online support modern CSS syntax?
Yes. CSS Formatter Online handles current CSS in your browser and leaves your selectors and values untouched.
Does CSS Formatter Online work offline?
Once the page has loaded, CSS Formatter Online keeps working with no network connection.