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Tap to Upload Image
Drag corners to resize • Drag box to move








This tool allows you to crop a signature from any image easily using a smooth, touch-friendly interface. It works directly in your browser — no uploads to a server, no watermark, and no quality loss.

Whether you want a square or circular signature, this cropper helps you extract a clean signature image for documents, forms, or digital use.

Crop your Sign Easily

✨ Key Features

  • ✅ Upload any image (PNG, JPG, JPEG)
  • ✅ Drag & resize crop box smoothly
  • ✅ Square or circular signature crop
  • ✅ Touch & mobile friendly
  • ✅ High-quality output (1000×1000 px)
  • ✅ No signup required
  • ✅ Works fully offline in your browser

🖼️ How the Signature Crop Tool Works

1. Upload Your Image

Click “Tap to Upload Image” and select an image containing your signature.

2. Adjust the Crop Area

  • Drag the crop box to position it over your signature
  • Resize using the corner handles
  • Use the Overlay Size slider for quick scaling

3. Choose Shape

  • Square – best for documents and forms
  • Circle – useful for profile or stamp-style signatures

4. Download Cropped Signature

Click “Download Signature” to instantly save a high-quality PNG file.

⚙️ Technical Highlights (Behind the Scenes)

This tool is built using pure HTML, CSS, and JavaScript:

  • Pointer Events API for smooth dragging and resizing
  • Canvas API for accurate image cropping
  • Percentage-based scaling to maintain responsiveness
  • Client-side processing (your image never leaves your device)
  • Object-fit calculations to preserve original image quality

The final output is generated at 1000×1000 pixels, ensuring your signature remains sharp and professional.

📱 Mobile & Touch Optimized

  • Large resize handles for touch screens
  • Disabled browser zoom & scroll conflicts
  • Smooth performance on Android & iOS

Perfect for cropping signatures directly from a phone.

🔒 Privacy Friendly

Your images are:

  • ❌ Not uploaded to any server
  • ❌ Not stored or tracked
  • ✅ Processed entirely in your browser

🎯 Best Use Cases

  • Crop handwritten signatures
  • Create digital signatures for PDFs
  • Extract signatures from scanned documents
  • WhatsApp DP style signature images
  • Professional document signing

🚀 Why Use This Signature Crop Tool?

Unlike basic image croppers, this tool is specifically optimized for signature cropping — giving you precise control, clean edges, and flexible shapes without complexity.

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