⭕ CSS Border Radius Generator — Rounded Corners Visual Tool
Generate CSS border-radius visually. Control each corner individually with live preview. Free for web developers.
📋 When to Use the CSS Border Radius Generator
The CSS Border Radius Generator is a go-to tool for designers and front-end developers who need quick visual results. Use it during design sprints, when prototyping UI components, or when exploring color palettes and layouts. It's perfect for quick iterations — try ideas fast without opening heavy design software. Export your results and use them directly in your projects. No accounts, no watermarks, no limits.
⚙️ How the CSS Border Radius Generator Works
The CSS Border Radius Generator renders design output directly in your browser using CSS and HTML5 Canvas. When you adjust parameters — colors, sizes, shadows, gradients — JavaScript updates the visual output in real time without page reloads. The tool uses CSS custom properties (variables) and dynamic style manipulation for instant preview. You can copy the generated CSS code, download the visual result as an image, or use the values directly in your projects. All rendering is client-side for maximum speed.
How to Use This Tool
- Adjust sliders for each corner — Toggle between px and % units — Lock/unlock uniform corners — Copy the generated CSS and apply to your element
Frequently Asked Questions
How do I make a circle?
Set border-radius to 50% on a square element. This tool shows the CSS and a live preview so you can see the effect immediately.
What's the difference between px and %?
px gives fixed rounding regardless of element size. % scales with the element — 50% on a square makes a circle, on a rectangle makes an ellipse.
Can I round only one corner?
Yes! Each corner has independent controls. Unlock the uniform mode and adjust corners individually. The generated CSS uses the shorthand syntax with all four values.