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CSS Border Radius Generator

Generate CSS border-radius properties

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Key Facts

Category
Design
Input Types
checkbox, range
Output Type
text
Sample Coverage
4
API Ready
Yes

Overview

The CSS Border Radius Generator allows you to quickly create and preview custom corner rounding for your web elements. Simply adjust the sliders for each corner to generate precise CSS code ready for your stylesheet.

When to Use

  • •When you need to create consistent rounded corners for UI components like buttons or cards.
  • •When you want to experiment with asymmetrical corner shapes for unique design layouts.
  • •When you need to quickly generate the exact CSS syntax for a specific border-radius configuration.

How It Works

  • •Adjust the individual sliders for Top-Left, Top-Right, Bottom-Right, and Bottom-Left corners to set your desired pixel values.
  • •Enable the 'Uniform Radius' option to lock all corners to the same value for symmetrical styling.
  • •Copy the generated CSS property directly from the output box to paste into your project's CSS file.

Use Cases

Styling modern card components with subtle rounded corners.
Creating pill-shaped buttons for call-to-action sections.
Designing unique, asymmetrical shapes for decorative image containers.

Examples

1. Standard Card Styling

Frontend Developer
Background
Building a clean dashboard interface where all content cards require a consistent, soft rounded look.
Problem
Manually calculating and typing out the border-radius shorthand for multiple elements is tedious.
How to Use
Check 'Uniform Radius' and set the slider to 12px.
Example Config
uniform: true, topLeft: 12, topRight: 12, bottomRight: 12, bottomLeft: 12
Outcome
Generates 'border-radius: 12px;' for immediate implementation.

2. Asymmetrical Hero Image

UI Designer
Background
Creating a hero section with a stylized image that has rounded corners only on the top-left and bottom-right.
Problem
Need to visualize and generate the specific CSS syntax for complex corner rounding.
How to Use
Uncheck 'Uniform Radius' and adjust individual sliders to create a diagonal rounding effect.
Example Config
uniform: false, topLeft: 50, topRight: 0, bottomRight: 50, bottomLeft: 0
Outcome
Generates 'border-radius: 50px 0px 50px 0px;' for a custom design element.

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FAQ

Can I set different values for each corner?

Yes, by disabling the 'Uniform Radius' checkbox, you can independently adjust each of the four corners.

What is the maximum radius I can set?

You can set a radius value between 0px and 100px for each corner.

Does this tool generate shorthand CSS?

Yes, the tool provides the standard border-radius CSS property based on your selected values.

Is the generated code compatible with all browsers?

Yes, the border-radius property is supported by all modern web browsers.

Can I use percentages instead of pixels?

This specific tool is optimized for pixel-based values to ensure precise control over corner rounding.

API Documentation

Request Endpoint

POST /en/api/tools/border-radius-generator

Request Parameters

Parameter Name Type Required Description
uniform checkbox No -
topLeft range Yes -
topRight range Yes -
bottomRight range Yes -
bottomLeft range Yes -

Response Format

{
  "result": "Processed text content",
  "error": "Error message (optional)",
  "message": "Notification message (optional)",
  "metadata": {
    "key": "value"
  }
}
Text: Text

AI MCP Documentation

Add this tool to your MCP server configuration: 

{
  "mcpServers": {
    "elysiatools-border-radius-generator": {
      "name": "border-radius-generator",
      "description": "Generate CSS border-radius properties",
      "baseUrl": "https://elysiatools.com/mcp/sse?toolId=border-radius-generator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

You can chain multiple tools, e.g.: `https://elysiatools.com/mcp/sse?toolId=png-to-webp,jpg-to-webp,gif-to-webp`, max 20 tools.

If you encounter any issues, please contact us at [email protected]