Rounded Corner Image

What is a Rounded Corner Image tool?

The Rounded Corner Image tool is a free online image editor that adds smooth transparent rounded corners to images. Ideal for avatars, button icons, e-commerce product images and app UI assets, making images softer and more elegant.

Key Features

• Adjustable radius: corner radius from 0% to 50% for any image aspect ratio.
• Anti-aliased corners: per-pixel elliptical distance calculation keeps edges smooth and clean.
• Transparent background: output PNG with alpha channel, ready to place over any background.
• Local processing: images are processed entirely in your browser, nothing is uploaded.
• HD export: keeps the original resolution, free and without watermarks.

How to Use

1. Click the upload area to select an image, or drag and drop it onto the page.
2. Drag the "Corner radius" slider to preview the rounded corners in real time.
3. Click "Download image" to save the transparent rounded PNG.