Round corners exactly how you like: set each corner's radius on its own, see the shape update live, and copy the `border-radius` rule. Fully local to your browser.
CSS Border Radius Generator is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.
Yes — swap the pixel values for percentages in the copied CSS for elliptical corners.
No, it is computed in your browser.
Set all four corners the same to get a single uniform radius.
border-radius: 16px 16px 16px 16px;