How to use CSS Viewer Extension
- Drop your CSS into the field at the top of CSS Viewer Extension.
- Watch the output update instantly while you adjust the CSS.
- Finish by choosing Copy to take the output with you.
About this tool
There is no server behind CSS Viewer Extension. CSS Viewer Extension processes CSS in your browser, applying the transformation to the styles you paste without altering their meaning.
Modern CSS syntax is preserved so your selectors and values come back intact. It behaves the same on desktop and mobile, with nothing stored remotely.
Frequently asked questions
How do I use CSS Viewer Extension?
Use CSS Viewer Extension to process your input without installing anything; everything happens client-side.
Do I need an account for CSS Viewer Extension?
No — CSS Viewer Extension needs no account, sign-up or installation.
Is my input private in CSS Viewer Extension?
Yes — your input never leaves your device; CSS Viewer Extension does all the work in your browser.
Does CSS Viewer Extension support modern CSS syntax?
Yes. CSS Viewer Extension handles current CSS in your browser and leaves your selectors and values untouched.
Does CSS Viewer Extension work offline?
Once the page has loaded, CSS Viewer Extension keeps working with no network connection.