Border Radius Generator
Generate CSS border radius with live preview and copy the code instantly
border-radius: 12px 12px 12px 12px;
What is Border Radius Generator?
The CSS Border Radius Generator is a free online tool that lets you visually create and customize border-radius CSS values with a live preview. Create everything from simple rounded corners to complex asymmetric shapes and copy the generated CSS instantly.
Why Use DevBench Border Radius Generator?
DevBench Border Radius Generator runs entirely in your browser — your data never leaves your device. No sign-up, no limits, no watermarks, completely free forever.
How to Use Border Radius Generator
- Adjust the corner radius sliders for each corner
- Toggle between uniform and individual corner control
- View the live preview of the shape
- See the generated CSS border-radius value
- Copy the CSS code with one click
Examples
- Create a pill shape with border-radius: 50px
- Generate a circle with border-radius: 50%
- Create asymmetric rounded corners for card designs
- Generate a leaf shape with different corner values
- Create subtle rounded corners for buttons
Use Cases
- Designing rounded buttons for web interfaces
- Creating card components with rounded corners
- Generating pill-shaped badges and tags
- Creating circular avatar images
- Designing custom shapes for UI elements
- Generating border-radius for modal dialogs
- Creating rounded input fields
- Designing decorative shapes for landing pages
- Generating CSS for image frames
- Creating asymmetric shapes for creative designs
Frequently Asked Questions
What is border-radius in CSS?
border-radius rounds the corners of an element. You can set all corners equally or each corner individually.
How do I make a perfect circle?
Set border-radius to 50% on an element with equal width and height.
What is the 8-value syntax?
The 8-value syntax (e.g., 10px 20px / 30px 40px) sets horizontal and vertical radii separately for asymmetric shapes.
Does border-radius affect layout?
No, border-radius only affects visual appearance. It does not change element dimensions or layout flow.
What browsers support border-radius?
All modern browsers fully support border-radius. It has been supported since IE9.