Top 6 Ways to Extract Signature from Image Like a Pro

Lola Lin

Lola Lin

July 10, 2025

5 min read

Extract signature from image is a key task for anyone who needs a digital version of their handwritten signature. No matter if you're signing contracts, PDFs, or emails, having a clean transparent signature makes the process smooth. The good news? You can extract signature from image in seconds using free AI tools. In this guide, we’ll dig in to the top 6 ways to extract signature from image, including step-by-step methods and the best tools available. Let’s get started!

Handwritten signature on paper

1. Use Pixelcut’s AI Signature Extractor

Pixelcut’s AI signature background remover is one of the fastest ways to extract signature from image. It automatically detects your handwriting and removes the background in seconds.

  • How it works:

    1. Upload your signature image (JPG, PNG, or HEIC).
    2. The AI removes the background instantly.
    3. Download your transparent PNG signature.

  • Why it’s great:

    1. No manual editing needed.
    2. Preserves fine details like pen strokes.
    3. Works on mobile and desktop.

Use Assembo.ai to Create Custom Backgrounds

2. Use Assembo.ai to Create Custom Backgrounds

After you extract signature from image, you might want to place it on different backgrounds. Assembo.ai lets you test how your signature looks on documents, contracts, or even product photos.

  • Key features:

    1. Upload your transparent PNG signature.
    2. Place it on any background.
    3. Adjust size and position easily.

  • Perfect for:

    1. Business documents.
    2. Email signatures.
    3. Branded materials.

Fotor’s signature background remover

3. Try Fotor’s Free Signature Background Remover

Fotor’s online tool makes it easy to extract signature from image with one click. It’s perfect for quick edits with no watermarks.

  • Steps:

    1. Upload your signature photo.
    2. Let AI remove the background.
    3. Download as transparent PNG.

  • Bonus features:

    1. Bulk processing (up to 5 signatures at once).
    2. Basic editing tools for fine-tuning.
    3. HD quality output.

Pokecut signature extractor

4. Pokecut’s Signature Extractor for Complex Backgrounds

If your signature has a busy background, Pokecut’s tool can still extract it cleanly. It handles PDF screenshots and photos equally well.

  • How it differs:

    1. Works with JPG, PNG, WebP, and BMP.
    2. Processes in 2 seconds.
    3. Preserves intricate details.

  • Best for:

    1. Legal documents.
    2. Digital artwork signatures.
    3. Social media branding.

Canva’s background remover

5. Canva’s Background Remover for Signatures

While Canva’s tool is primarily for designs, it works great to extract signature from image too. Plus, you can add it directly to Canva designs.

  • Workflow:

    1. Upload to Canva.
    2. Use ‘BG Remover’ tool.
    3. Drag signature into any project.

  • Advantages:

    1. No separate downloads needed.
    2. Integrates with Canva’s templates.
    3. Good for social media graphics.

PDFfiller’s digital signature cleaner

6. Clean Up Digital Signatures with PDFfiller

For signed PDFs, PDFfiller’s Clean Up Digital Signature tool helps polish messy signatures. It’s key for professional documents.

  • Key uses:

    1. Remove unwanted marks from signed PDFs.
    2. Adjust signature placement.
    3. Save cleaned versions.

  • Ideal for:

    1. Business contracts.
    2. Official forms.
    3. Legal paperwork.

Final Tips for Perfect Signature Extraction

  1. Always use white paper and good lighting when photographing your signature.
  2. Save your final signature as PNG to keep transparency.
  3. Test your digital signature on different background colors.
  4. Consider creating multiple versions (large and small) for different uses.
  5. Store your transparent signature in cloud storage for easy access.

With these tools, you can extract signature from image like a pro. No more scanning or messy edits – just clean, professional signatures ready for any document.

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