Free Tool
CSS Border Radius Generator
Visually create CSS border-radius values with independent control over each corner and a live preview. Copy clean CSS instantly. Free, no signup.
Why It Matters
Round Every Corner Exactly Right
Rounded corners are everywhere in modern interfaces — on buttons, cards, images, and inputs. The border-radius property controls each corner independently, which lets you create everything from subtle rounding to pills and organic blob shapes.
This tool gives you a slider for each corner with a live preview, so you can shape it exactly and copy the CSS instantly.
FAQ
Questions About This Tool
Apply a border-radius of 50% to a square element (equal width and height). This tool uses pixel values, but you can swap in 50% in your code for a circle.
Yes. Each corner has its own slider here, so you can round any combination — for example, only the top two corners for a card header.
Set a very large border-radius (like 50px) on a wide, short element and both ends become fully rounded, creating a pill shape.
It only clips the visible corners. For images or background colors to follow the rounding, the element usually needs overflow hidden.
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