CSS Border Radius Generator
Visually craft CSS border-radius — control all four corners individually or together. See a live preview.
Studio · neutral surround
Features
4-corner control
Unified / independent mode
Slider + number input
Live preview & CSS code
How to Use
1. Drag the radius slider — the neutral card on the stage previews the corners at real size.
2. Switch to "Per corner" to shape each corner independently.
3. Copy the CSS — it uses the shortest valid form.
Frequently Asked Questions
What is border-radius?
The CSS border-radius property rounds the corners of an element's outer border edge.
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