Border Radius Generator
Design CSS border-radius values visually — control each corner independently, preview shapes, and copy the generated CSS.
Preview
Generated CSS
border-radius: 16px;
Presets
Corner Controls
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Everything you need to know
Visual Corner Control
The Border Radius Generator provides sliders and number inputs for each corner: top-left, top-right, bottom-right, and bottom-left. Link corners together for uniform rounding or unlock them for asymmetric shapes. The live preview updates instantly as you adjust values.
Advanced Elliptical Corners
Toggle "Advanced (H/V)" mode to set separate horizontal and vertical radii for each corner. This enables the full 8-value border-radius syntax for creating organic, elliptical shapes that go beyond simple rounded corners.
Shape Presets
Start with built-in presets like Pill, Blob, Drop, Leaf, and Ticket. Each preset sets all four corners to create a recognizable shape. Customize the preset values to create your own unique shapes.
Customizable Preview
Change the box color, background color, and box size to see how your border-radius looks in different contexts. The generated CSS is a single property you can copy and paste directly into your stylesheet.
Related Tools
Add shadows with the Box Shadow Generator, create glassmorphism effects with the Glassmorphism Generator, or build complete layouts with the Flexbox Generator.