Signature & Stamp Extractor

Convert handwritten paper signatures into clean transparent PNGs

100% Client-Side · Private & Free

Drag & drop your image here

or browse files · You can also paste from clipboard

Supports PNG, JPG, WebP, BMP, GIF, SVG · Max 50MB

How to Use Signature & Stamp Extractor

Upload Image

Select, drag and drop, or paste your image into the Signature & Stamp Extractor.

Adjust Settings

Customize options, dimensions, quality, or filters according to your needs.

Process & Download

Click process and download your instant high-quality result directly to your device.

Key Features & Capabilities

Dynamic threshold detection strips paper shadows and gray lighting falloff

Anti-aliased feathering ensures smooth, non-pixelated ink strokes

Recolor to Contract Black, Legal Blue, or preserve original ink tones

Auto-trim option removes excess empty margins around the signature

1-Click Transparent PNG download and clipboard copy

About Signature & Stamp Extractor

Turn smartphone photos of handwritten signatures and notary stamps into crisp, high-resolution transparent PNGs. Easily paste onto digital contracts, PDFs, Word docs, and invoices.

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Frequently Asked Questions

Is Signature & Stamp Extractor free to use?

Yes, Signature & Stamp Extractor on KiteImage is 100% free with no hidden fees, subscriptions, or limits on usage.

Are my images private and safe?

Absolutely. Unlike other online image tools, KiteImage processes all images directly in your browser using HTML5 Canvas and WebAssembly. Your photos never leave your device or get uploaded to any server.

What image formats does Signature & Stamp Extractor support?

We support all standard modern image formats including JPG/JPEG, PNG, WebP, GIF, SVG, and BMP.

Does using this tool reduce image quality?

You have full control over quality and compression settings. You can maintain 100% lossless quality or optimize for smaller file size without noticeable visual loss.

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