CSS Border Radius Generator
Online CSS border radius generator with per-corner controls, quick presets, and shape templates for live preview and one-click border-radius CSS copy.
Live Preview
Radius Preview
Current Radius Value: 16px
CSS Code
border-radius: 16px;Radius Settings
Quick Presets
Precise Input (px)
Shape Presets
Tool Guide
CSS Border Radius Generator helps you build border-radius styles with per-corner controls, quick presets, and shape templates, then copy usable CSS instantly.
What It Solves
Use this tool when standardizing radius styles for buttons, cards, dialogs, and reusable UI components during frontend implementation and review.
Key Features
- Control each corner radius independently with precise numeric input.
- Switch quickly from no radius to large radius using preset shortcuts.
- Apply shape templates like left-rounded, top-rounded, and diagonal corners.
- See live visual updates while generating synchronized CSS output.
- Copy the final border-radius code in one click for production use.
How To Use
- Start with a quick preset to get close to your target style.
- Adjust corners in Top Left, Top Right, Bottom Right, Bottom Left order.
- Check the preview panel and current radius value continuously.
- Use shape presets when you need fast asymmetric structures.
- Copy generated CSS and paste it into your component stylesheet.
Use Cases
- Design-system radius token alignment for cards and buttons
- Marketing page CTA and info block style tuning
- Component-library radius verification and visual QA
- Frontend handoff validation after design delivery
Best Practices
- Use 4px to 8px for compact controls to keep boundaries clear.
- Use 12px to 20px for large cards to improve visual softness.
- Asymmetric corners work well for tabs, chips, and highlights.
- Balance radius with shadow strength to avoid heavy visuals.
Privacy Note
Your inputs are never uploaded. All calculations and rendering run locally in your browser.