Circle Crop Image
Crop any image into a perfect circle with transparent background. Export as PNG —100% in your browser.
Drop your image here
or click to browse
How it works
Three simple steps —everything happens in your browser.
Upload your image
Drag and drop or click to select any image. Supports JPG, PNG, WebP, BMP, and GIF.
Adjust the circle
Drag to reposition the circle. Use the slider to resize. The area outside the circle becomes transparent.
Download PNG
Click download to get a perfectly round PNG with a transparent background. Ready for avatars and icons.
Why use ToolKnit Circle Cropper?
100% Private —No Uploads
Your images never leave your device. All processing uses the HTML5 Canvas API locally in your browser.
Perfect Circle Every Time
Mathematical circle clipping ensures a pixel-perfect round shape —no jagged edges or rough corners.
Transparent PNG Output
The area outside the circle is fully transparent —perfect for avatars, profile pictures, icons, and design overlays.
Drag to Reposition
Click and drag the circle to choose exactly which part of the image stays. Resize with the slider for precise control.
Pro Tips
- ● Use 100% size for the largest possible circle from your image.
- ● Circle-cropped PNGs make perfect profile pictures for Discord, Slack, and GitHub.
- ● Start with a square image (1:1) for the best results —no wasted pixels.
- ● Pair with the Image Resizer to set exact dimensions before circle cropping.
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