Extract Signature Image
Local ProcessingRemove the background from a photo of a signature on paper, leaving a transparent PNG.
How It Works & Processing Standards
Remove the background from a photo of a signature on paper, leaving a transparent PNG.
This tool creates or inserts signature images; it does not provide identity verification or a legally guaranteed electronic signature service.
Use only your own stamps or signatures, or ones you are authorized to use.
Tool processing runs in your browser. If you create a calculator or conversion share link, its values are included in the URL. See the privacy policy for account, analytics and advertising data.
Current Limits
- Desktop max file size: 40MB
- Mobile max file size: 20MB
Removes the paper background from a photographed signature, keeping only the ink.
Works on photos up to 12 million pixels; larger photos are shrunk first. If nothing remains after extraction, the strength is too high or the photo has no clear dark signature.
How to Use Extract Signature Image
- 1Choose the photoA photo of paper with a signature written on it.
- 2Adjust the strengthRaise it if paper stains remain; lower it if strokes break up. Turn on shadow correction for uneven phone-photo lighting.
- 3Choose a color and downloadKeep the original color, or pick black, blue, or a custom color, then save the PNG.