Free Rounded Corners Generator
Add sleek rounded borders and transparent corners to images. No registration, runs 100% locally in your browser.
Drag and drop your file here
Or click to browse from your device
Max file size: 10MBTake screenshots and annotate directly in your browser
Why use manual online uploaders? With the free Supashot Chrome Extension, capture any visible page, selected region, crop, highlight, blur, and copy instantly without leaving your tab.
How Rounded Corners Generator Works
Select your image file.
Use the slider to select your desired corner rounding radius (in pixels).
Download your sleek transparent PNG with rounded borders.
Frequently Asked Questions
Yes! We export exclusively in transparent PNG format, meaning the cropped corners will be fully transparent alpha layers.
Yes, the aspect ratio is locked to the original upload dimensions perfectly.
You can customize from 0px (sharp) up to a max radius matching 50% of the image's smallest dimension.
No. All rounding masks are rendered client-side on canvas inside your local browser sandbox.