Round Corners & Circle Crop

Add rounded corners with a radius slider or crop to a perfect circle for profile pictures. Export as transparent PNG — ready for LinkedIn, Twitter, or YouTube.

🔒 Your file never leaves your browser
How do I add rounded corners or make a circle image for free without uploading?
PaintDim's round corners tool works entirely in your browser — your file is never sent to any server. Slide to set the corner radius or switch to circle mode for a perfect avatar crop. Download a transparent PNG instantly. Free, no account, no watermark.
Feature PaintDim Canva RoundPic
Files stay on your device ✓ Always ✗ Uploads to server ✗ Uploads to server
No signup required ✓ ✗ Account required ✓
Free to use ✓ Limited free tier ✓
Transparent PNG output ✓ Paid plan required ✓

Sources: Canva requires an account and uploads to their cloud. RoundPic uploads images to their servers. PaintDim uses the browser Canvas API.

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Drop image here or click to browse
Supports PNG, JPEG, WebP · up to 50 MB
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Export is always PNG with transparent corners

How it works

1

Upload

Drop your PNG, JPEG, or WebP. Nothing is sent to any server.

2

Choose style

Slide to set corner radius, or switch to circle mode for a perfect avatar crop.

3

Download PNG

Save a PNG with transparent corners — ready to use anywhere.

Your privacy, guaranteed

All processing uses the Canvas API in your browser. Your images never leave your device. Close the tab and everything is gone. No account, no tracking of your files.

Need layers, filters, text, and more advanced editing?

→ Open Full Editor — it's free

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