Rounded Corners
Round the corners of an image with a radius you control.
Image tools Client-side Canvas cropping
Tool preview
How to use it
- 01
Drop an image.
- 02
Drag the radius slider.
- 03
Apply and download.
Limitations
- ! The output has a transparent background outside the rounded area, so use PNG.
- ! The radius is clamped to half of the shorter side.
FAQ
Can I round only one corner?
Not on this page; all four corners share the radius.
Will the image get cropped?
No, only the corners are clipped transparent.
Is the result suitable for avatars?
Yes, PNG with transparency works well as an avatar source.
Files never leave your device
Processing happens in your browser using the File API, WebAssembly and Web Workers. There is no upload endpoint.
Technical details
- Processing
- Client-side
- Implementation
- Canvas cropping
- Category
- Image tools
- Network requests
- None while processing