Developer ToolsVisual CSS

CSS Border Radius Generator

Visually design modern rounded corners, card curves, and 8-value organic blob shapes. Instant CSS and Tailwind code export.

30% 70% 70% 30%

Corner Radii Controls

Corner Radii

Top Left30%
Top Right70%
Bottom Left30%
Bottom Right70%

Generated CSS Code

border-radius: 30% 70% 70% 30%;
-webkit-border-radius: 30% 70% 70% 30%;
Tailwind CSS Equivalent:
rounded-[30%_70%_70%_30%]

Cross-browser compatible with modern Chrome, Safari, Firefox, and Edge.

How to Use CSS Border Radius Generator

Follow these simple steps to complete your task in seconds.

1

Adjust Corner Sliders

Move individual sliders for Top-Left, Top-Right, Bottom-Right, and Bottom-Left corners.

2

Explore 8-Value Blobs or Presets

Toggle 8-value mode to sculpt organic fluid blob shapes or click instant presets like Pill or Leaf.

3

Copy CSS & Tailwind Code

Click "Copy CSS" to paste clean, vendor-prefixed CSS rules or Tailwind classes straight into your stylesheet.

Why Choose Quicklity for CSS Border Radius Generator

Engineered for speed, privacy, and flawless conversion accuracy.

8-Value Organic Blobs

Unlock horizontal and vertical radius controls to craft fluid, organic modern UI blob shapes.

Real-Time Interactive Preview

Immediate visual feedback with live gradient rendering as you drag and adjust corner sliders.

Curated Shape Presets

One-click presets for smooth app cards, hero cards, pills, raindrops, and organic shapes.

Pixel or Percentage Units

Switch seamlessly between responsive percentage (%) units and fixed pixel (px) values.

Frequently Asked Questions about CSS Border Radius Generator

Everything you need to know about using this tool.

The slash syntax (e.g. 30% 70% 70% 30% / 30% 30% 70% 70%) separates horizontal radii from vertical radii, creating asymmetric elliptical corners that form organic morphing blob shapes.