How to use the Signature Background Remover

Remove the paper background from a scanned or photographed signature and export a clean transparent PNG for PDFs, Word and email — free, in your browser.

It's part of the MagicBG toolbox— a suite of free, browser-based utilities that never upload your files anywhere.

• Sign digital contracts without printing and scanning
• No white box around your signature on documents
• Create one reusable signature asset for every document

1. 1

   Sign on plain white paper and photograph or scan it.

2. 2

   Drop the image into the tool — the AI erases the paper background.

3. 3

   Download the transparent PNG and place it on any document.

• Transparent PNG output that drops cleanly into PDFs and Word
• Keeps original ink color and stroke detail
• Runs 100% in your browser — your signature never leaves your device
• No signup, no watermark, free for commercial use

• Digital contracts and PDF forms
• Email signature blocks
• Invoices, quotes and cover letters

• Use dark ink on plain unlined white paper.
• Photograph straight-on with even light and no shadows.
• Crop tight around the signature before processing.