Skip to main content

Extract Signature & Stamp

Extract handwritten signatures and red corporate stamps from photos, remove paper shadow noise, and export transparent PNGs.

Upload Signature / Stamp Contract Photo

Applies chrominance extraction to strip dark paper shadow details and bleach mold background, keeping high-fidelity stamps.

image/jpeg, image/png

How to Use

  1. Upload seal photo

    Provide a phone-captured photo of your signature or stamp seal.

  2. Adjust cleaning sliders

    Move contrast and luminance sliders to isolate the background noise in real-time.

  3. Download clean signature

    Export as transparent PNG ready to be stamped onto formal document agreements.

Frequently Asked Questions

Everything You Need to Know About Extract Signature & Stamp

Got questions about file security, features, or conversions? Find quick answers below.

Standard chroma-keying often makes signature stroke details look blocky and pixelated. Our algorithm isolates only white/yellow background noise and smooths the ink borders.

Have additional questions or custom needs?

Our team is here to assist you with PDF tools, custom requests, and feature suggestions.

Contact Support

Latest Articles & Guides

Tips, workflows, and in-depth guides to master your PDF documents.

View all articles