Border Radius Generator
Drag sliders for each corner and copy clean border-radius CSS.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Border Radius Generator
Follow these steps — everything happens instantly in your browser.
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Step 1. Choose to keep corners linked (uniform) or unlink for per-corner control.
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Step 2. Drag each corner slider or type a precise number in the input.
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Step 3. Switch the unit between px, % and rem.
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Step 4. Apply a quick preset (Sharp / Soft / Round / Pill) or copy the CSS.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about border radius generator.
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