Border Radius Generator

Create CSS border-radius with live preview

🔒 Files never leave your browser

Preview Color

Unit

Top Left

Top Right

Bottom Right

Bottom Left

Presets

CSS Code

How to Use Border Radius Generator

Adjust corners

Use sliders to set radius for each corner. Link for uniform radius.

Preview live

See the border-radius applied to a preview box in real time.

Copy CSS

Copy the generated border-radius CSS property.

Why Choose AllTools Border Radius Generator?

✓ 100% free, no account needed
✓ Live preview
✓ Individual corner control
✓ Link/unlink corners
✓ px and % units
✓ Presets (pill, circle, squircle)
✓ Advanced 8-value syntax
✓ Copy CSS code

Why Use This Tool

★ Live preview as you adjust settings
★ Clean, production-ready CSS output
★ No account or sign-up required
★ Copy generated code with one click
★ Works on any device with a modern browser

Related Resources

Generate box shadows → Create clip paths → Create gradients →

Frequently Asked Questions

Is this generator free? ▼

Yes, completely free.

What is the 8-value syntax? ▼

border-radius can take 8 values for horizontal/vertical radii on each corner, enabling asymmetric shapes.

Does this work on mobile? ▼

Yes, fully responsive.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Guides

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