Remove White Background from Signature
Use this on ink-on-paper signature scans before placing them on a form. Adjust threshold sliders, then download a transparent PNG.
Files stay on your device.This tool processes your file in the browser. Nothing is uploaded to a server.
How to use this tool
- Drop a photo or scan of your signature below.
- Adjust whiteness threshold and color variance sliders.
- Preview and download a transparent PNG.
Accepted files: PNG or JPG signature scans on white paper. Best for dark ink on light paper.
Drop a signature image
Works best on dark ink on white paper. Output is a PNG with transparency.
Your file never leaves this browser
Frequently asked questions
How do I remove the white background from a signature?
Upload the scan, tune the sliders, preview transparency on the checkerboard, then download PNG.
Is this full AI background removal?
No. It removes near-white, low-variance pixels—best for ink on paper.
What format is the output?
PNG with transparency. Use Resize Signature if you also need a specific box size.
Is the image uploaded?
No. Processing uses the Canvas API in your browser.