CSS Border Radius Generator
Generate CSS border-radius declarations visually — nothing is uploaded.
8px
8px
8px
8px
CSS Output
Create CSS rounded corners online
Set the radius for each corner independently or link them all together for uniform rounding. The CSS output collapses to the shortest valid form — a single value when all corners match.
Everything runs locally in your browser — your work never leaves your machine.
FAQ
What does the Link All toggle do? It syncs all four corners to the same value as you drag any slider.
Is my data sent anywhere? No — everything happens in your browser.