Border Radius Generator

Create perfect rounded corners with CSS border-radius and individual corner control.

What is Border Radius Generator?

Our Border Radius Generator is a free, browser-based tool that lets you create corner radius values instantly — no software installation or account required. Whether you need this for rounded corners on buttons, cards, and images, our tool delivers fast, reliable results entirely on your device. Your files and data never leave your browser, ensuring complete privacy. Unlike cloud-based alternatives that upload your data to remote servers, Toolmaster processes everything locally using modern web technologies for maximum speed and security.

How to Use Border Radius Generator

  1. Open the Border Radius Generator page on Toolmaster — no signup needed
  2. Upload or paste your corner radius values into the tool interface
  3. Adjust any available settings to customize the output to your needs
  4. Click the process/convert/generate button and wait for instant results
  5. Preview the output and download or copy the CSS border-radius code
  6. Use the result immediately for rounded corners on buttons, cards, and images

Examples

UI Component

Design a button or card and copy the CSS from Border Radius Generator.

Input

Color: #3B82F6, Radius: 8px

Output

box-shadow: 0 4px 6px rgba(0,0,0,0.1);

Brand Colors

Pick colors matching your brand palette.

Input

Brand blue #1E40AF

Output

HEX: #1E40AF | RGB: 30, 64, 175 | HSL: 224°, 71%, 40%

Key Features

  • 100% FreeNo limits, no subscriptions, no hidden fees
  • Privacy FirstAll processing happens locally in your browser
  • No RegistrationStart using the tool instantly without an account
  • Works OfflineFunctions without internet after the page loads

Why is Border Radius Generator Safe?

Your data security is our priority. The Border Radius Generator runs entirely in your web browser using JavaScript — nothing is uploaded to our servers or stored in any database. This means your corner radius values remain completely private on your device. The tool works even without an internet connection after loading, making it safe for confidential documents and sensitive data.

Who Should Use Border Radius Generator?

The Border Radius Generator is designed for anyone who needs to create corner radius values quickly and securely. From professionals to students, this tool saves time without compromising privacy.

  • UI/UX DesignersCreating CSS styles with visual previews
  • Frontend DevelopersGenerating CSS code for components
  • Content CreatorsPicking brand colors and gradients

Related Tools on ToolMaster

Frequently Asked Questions

Is the Border Radius Generator really free?

Yes, completely free with no usage limits. You can use the Border Radius Generator as many times as you need without creating an account or paying anything.

Are my files uploaded to a server?

No. All processing happens locally in your browser. Your corner radius values never leave your device, ensuring complete privacy and security.

What file formats are supported?

The Border Radius Generator supports common formats relevant to rounded corners on buttons, cards, and images. Check the tool interface above for specific format options and size limits.

Can I use this tool on mobile?

Yes! The Border Radius Generator is fully responsive and works on smartphones, tablets, and desktop computers with any modern browser.

Related Design Tools