ToolPilot
Design

CSS Border Radius Generator

Create rounded or organic border radii with independent corners and live CSS output.

Dial in each corner separately for blob shapes, cards and buttons. Link the corners for a uniform radius or unlock them for custom curves.

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Privacy: A fast, private ToolPilot utility. Your data is processed locally in your browser whenever possible.

How to

  1. 1Set each corner radius.
  2. 2Preview the shape on the canvas.
  3. 3Copy the CSS.

Frequently asked questions

How do I make a blob shape?

Unlink the corners and use very different values, such as 60% 40% 30% 70%.

Are my files uploaded to a server?

No. This tool runs entirely in your browser using JavaScript and WebAssembly where needed. Your files and text never leave your device.

Help Us Improve

We regularly improve our tools. Found a problem or have a suggestion? We're listening.

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