High-Contrast Document Matting

Signature Background Remover Online

Convert photos of pen signatures on paper into clean, high-contrast transparent PNG signatures ready for legal PDF documents, invoices, and contracts.

Upload handwritten signature photo or scan

Eliminates paper shadows & yellow tints • 100% Private

Or paste with Ctrl+V

Test with sample:

Extracting Ink Luminance

Separating ink strokes from paper fibers...

Brush Size:

◀ ▶

100%

Transparent signature cutout for Acrobat, Word & Google Docs

How to Make a Digital Signature from Paper Photo

Signing PDF documents digitally often requires an authentic copy of your handwritten signature. Rather than using awkward trackpad scribbles, simply sign on plain white paper, take a quick smartphone photo, and let our signature extractor isolate the ink strokes while removing uneven ambient shadows and paper wrinkles.

Enterprise Security & Local In-Browser Processing

Your signature is a highly sensitive legal asset. Uploading it to unknown cloud servers creates security risks. CutoutAI performs the entire extraction locally within your browser, ensuring your signature never touches the internet.