Border Radius Generator
Design ToolsMake rounded corners and blobs in CSS
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History
All history →Border Radius Generator — at a glance
Shape rounded boxes, pills and blobs and copy the CSS.
TL 30
TR 60
BR 30
BL 60
Run
border-radius: 30px 60px 30px 60px;
How to use it — step by step
Set the radius of each corner and choose px or %.
1
Enter your values
Fill in the boxes. Sensible example values are already filled in for you.
2
Generate CSS
Press the button. The answer is worked out instantly on your device.
3
Read or copy the result
See the big answer and the extra details, then press Copy to keep them.
Pro tips
Small things that make the result better.
✦Use 50% on a square to make a perfect circle.
✦Use a very large px value for a pill-shaped button.
✦Different values on each corner make organic blob shapes.
Quick facts
4 cornersset separately
px or %units
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Frequently Asked Questions
In which order are the corners written?+
Top-left, top-right, bottom-right, bottom-left — clockwise from the top-left.
px or %?+
Pixels give a fixed curve. Percent scales with the size of the element.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
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