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Border Radius Generator

Generators

Generate CSS border radius with live preview.

⚡ Instant🔒 Private, in your browser🆓 Free, no sign-up👥 For everyone
Your data never leaves your browser. We do not store inputs.

What Border Radius Generator does

Border Radius Generator lets you shape an element's corners visually — rounding each corner independently or all at once — and gives you the exact CSS border-radius value to copy as you drag. Adjust the sliders and watch a live preview box update in real time before pasting the code into your stylesheet.

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Reviewed by the FreeToolsVerse team · Last updated · How we check our tools

How to use Border Radius Generator

  1. Adjust the sliders for each corner, or link them to round all corners together
  2. Watch the live preview update as you drag
  3. Copy the generated border-radius CSS
  4. Paste it into your stylesheet

Who should use it

Made for everyone. Typical uses:

  • Matching a design mockup's exact corner rounding on a card or button component
  • Creating an asymmetric shape, like a card rounded only on top
  • Experimenting with corner radius values before committing to a design system token

Frequently asked questions

Can I set each corner to a different value?
Yes, unlock the corners to set top-left, top-right, bottom-right, and bottom-left independently.
Does it support elliptical corners?
Yes, border-radius supports separate horizontal and vertical radii per corner for elliptical rounding, which the generator can produce.
Is it free to use?
Yes, completely free.
Is any data sent to a server?
No, the preview and code generation run entirely in your browser.
Does the generated CSS work in all browsers?
border-radius has excellent modern browser support, including all current versions of Chrome, Firefox, Safari, and Edge.

Learning resources

Explore more in Generators, read the guides and articles, or see how we test our tools.

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