Border Radius Generator
CSS Border Radius Generator
Preview
CSS Code
What Is a CSS Border Radius Generator?
A CSS Border Radius Generator is an indispensable tool for web designers and developers looking to create visually appealing rounded corners for buttons, containers, cards, and other HTML elements.
This intuitive online utility eliminates manual calculations by providing real-time visual controls for crafting perfect border curves. With support for individual corner adjustments and cross-browser CSS output, it simplifies the process of creating modern, responsive designs while ensuring professional results.
Key Features of the Tool
Our generator stands out with its precision controls, allowing users to manipulate all four corners independently using sliders (0-200px range) or synchronize them with a universal "All Corners" slider. Beyond basic radius adjustments, it offers advanced border customization including 8 style options (solid, dashed, dotted, etc.), width control up to 30px, and color pickers for both borders and backgrounds.
The live preview panel updates instantly, showing exactly how your element will appear across devices. For developers, it generates ready-to-use CSS code complete with -webkit and -moz vendor prefixes.
How to Use the Border Radius Generator
Start by adjusting the sliders to set your desired corner radii—use the master slider for uniform curves or tweak individual corners for asymmetric designs. Next, customize border properties using the style dropdown and color picker. The background color selector lets you visualize elements against different color schemes.
As you make changes, the preview box updates in real time. Once satisfied, copy the generated CSS code (automatically formatted with browser prefixes) and paste it directly into your stylesheet. The entire process takes seconds, replacing what would normally require manual coding and cross-browser testing.
Benefits for Different Users
Web Developers save hours of coding time while ensuring consistency across projects. UI/UX Designers can experiment freely with creative shapes without writing a single line of code. Educators find it valuable for demonstrating CSS principles in classroom settings, while Beginners use it as a hands-on learning tool to understand how border properties interact. Unlike static code examples, this interactive tool helps users visualize how different values impact design outcomes.
Why This Tool Matters
In an era where rounded corners define modern web aesthetics, this generator solves three critical challenges: precision control for complex shapes, time-efficient workflow for rapid prototyping, and bulletproof cross-browser compatibility. Whether creating organic shapes for a cutting-edge design or perfecting subtle curves for professional interfaces, it bridges the gap between visual design and technical implementation.
Frequently Asked Questions (FAQs)
What’s the maximum border radius this tool supports?The generator allows values up to 200px for all corners, enabling everything from subtle curves to full-circle shapes. This exceeds typical design needs while accommodating creative experimental layouts.
Does the generated CSS work on all browsers?
Yes! The tool automatically adds
-webkit- (Chrome/Safari) and -moz- (Firefox) prefixes alongside standard border-radius, ensuring compatibility with modern and legacy browsers like IE9+.How do I create uneven/asymmetric corners?
Use the individual sliders (Top Left, Top Right, etc.) to set different values for each corner. The preview updates instantly, letting you craft unique shapes like speech bubbles or organic fluid layouts.
Can I use this for responsive web design?
Absolutely. The generated CSS uses pixel values you can convert to percentages or combine with media queries. The preview box itself is responsive, shrinking on mobile devices to simulate real-world behavior.