Color

Extract Alpha Channel

Inspect and export the alpha channel from a transparent PNG or WebP. Everything runs locally on your device.

Private by designRuns locally in browserNo signup needed
Extract Alpha Channel. Select one image from your device. Review the image preview, then download the result using the available format.

No images selected. Files stay on your device.

Your images never leave your computer.

Image Well Done executes all image algorithms inside your browser memory. We never transmit your image bytes, metadata, or filenames to a remote server.

How to use Extract Alpha Channel

  1. 1Select one image from your device.
  2. 2Review the image preview, then download the result using the available format.

Purpose-built tool

Inspect and export the alpha channel from a transparent PNG or WebP.

Browser-local processing

Your input is processed on your device, without uploading it to an image-processing server.

No account required

Open the tool and use it without signing up.

Frequently Asked Questions

What input and result does this tool support?

Review the image preview, then download the result using the available format.

Is my input uploaded?

No. Processing happens in your browser; your input is not sent to an image-processing server.