CSS Border Radiusジェネレーター - 角丸ツール

Generate CSS border-radius values visually. Control individual corners, use presets, and copy CSS code instantly. Free online tool for web developers.

Top Left20px

Top Right20px

Bottom Right20px

Bottom Left20px

Background

Border Color

Border Width: 2px

Presets

CSS

border-radius: 20px 20px 20px 20px;
border: 2px solid #1e40af;
background-color: #3b82f6;

CSS Border Radius Generator Tool

Create beautiful rounded corners with our visual CSS border-radius generator. Control each corner independently, choose from presets like pill, circle, leaf, and blob shapes. Customize colors and border width, then copy the CSS code directly to your project.

Features

Individual corner control with linked/unlinked mode
8 shape presets (Rounded, Pill, Circle, Leaf, Drop, etc.)
Live visual preview with customizable colors
One-click CSS code copy with border and background

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How to Use CSS Border Radius Generator

Configure your CSS Border Radius Generator settings and parameters
Adjust options to customize the output to your needs
Click Generate to create your output
Copy the generated result or download it for use

Common Use Cases

Creating custom border-radius shapes for UI elements
Designing rounded corners with visual CSS preview
Generating organic blob shapes with border-radius
Building consistent corner radius values for design systems

Frequently Asked Questions

Is CSS Border Radius Generator free to use?

Yes, CSS Border Radius Generator is completely free with no signup required. You can use it as many times as you need.

Is my data safe when using CSS Border Radius Generator?

Absolutely. All processing happens directly in your browser. Your data is never sent to any server or stored anywhere.

Can I customize the generated output?

Yes, CSS Border Radius Generator provides various configuration options to customize the output to match your specific requirements.

Can I use the generated output in my projects?

Yes, all generated output is free to use in any personal or commercial project without attribution.

Does the generator handle edge cases?

Yes, CSS Border Radius Generator is designed to handle common edge cases and produce valid, standards-compliant output.