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Border Radius Generator

Create and preview CSS border-radius values visually. Adjust all four corners independently or together using sliders, see a live preview of your element, and copy the generated CSS code. Perfect for web designers and developers creating rounded corners for buttons, cards, images, and UI elements.

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Use the tool below. Your inputs stay local when the tool supports browser-only processing.

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CSS Code
border-radius: 16px 16px 16px 16px;
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Workflow

How to use the Border Radius Generator

1

Adjust border radius values

Use the sliders to adjust the border-radius of each corner or all corners uniformly. The border radius generator shows a live preview of your element with the current corner radius values applied.

2

Preview the result

See your element update in real time as you adjust values. The border radius generator provides a visual preview box that demonstrates exactly how your rounded corners will look on a real element.

3

Copy the CSS code

Copy the generated CSS with one click. The border radius generator outputs clean, formatted CSS that you can paste directly into your stylesheet for buttons, cards, images, or any other element needing rounded corners.

Border Radius Generator — Frequently Asked Questions

What is the CSS border-radius property used for?

The CSS border-radius property creates rounded corners on HTML elements. The border radius generator makes it easy to visualize and generate the correct CSS values without manually calculating pixel or percentage values for each corner.

Can I set different values for each corner using the border radius generator?

Yes, the border radius generator lets you set individual values for the top-left, top-right, bottom-right, and bottom-left corners independently. You can also use the uniform mode to apply the same value to all corners at once.