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Circle Crop Image

Crop any image into a perfect circle with transparent background. Export as PNG —100% in your browser.

No Upload Required Transparent PNG Drag to Reposition Free & Private

Drop your image here

or click to browse

JPG, PNG, WebP, BMP, GIF

How it works

Three simple steps —everything happens in your browser.

1

Upload your image

Drag and drop or click to select any image. Supports JPG, PNG, WebP, BMP, and GIF.

2

Adjust the circle

Drag to reposition the circle. Use the slider to resize. The area outside the circle becomes transparent.

3

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.
FAQ

Frequently Asked Questions

Is the circle crop tool free?

Yes. Circle Crop is 100% free with no limits, no signup, and no watermarks. Every crop runs entirely in your browser.

Are my images uploaded to a server?

No. All processing happens 100% in your browser using the HTML5 Canvas API. Your images never leave your device.

Which image formats are supported?

JPG, PNG, WebP, BMP, and GIF are all supported. The output is always a transparent PNG file.

Can I reposition the circle?

Yes. Click and drag the circle overlay to choose exactly which part of the image to keep. Use the slider to resize the circle from 10% to 100% of the image.

Will the output have a transparent background?

Yes. The area outside the circle is fully transparent, making it perfect for avatars, profile pictures, icons, and design overlays.