SignProof – AI Signature Verification

Verify handwritten signatures quickly and easily using AI-powered image analysis.

SignProof helps compare two signature images and provides a similarity score along with a detailed breakdown of the comparison. Whether you are reviewing documents, contracts, receipts, or authorization forms, SignProof offers a fast and convenient way to evaluate signature similarity.

Key Features

✓ AI-powered signature comparison

Upload or capture two signature images and receive a similarity score within seconds.

✓ Detailed similarity analysis

View multiple comparison metrics including:

• Stroke pattern

• Shape & structure

• Slant & angle

• Spacing

• Overall consistency

✓ Signature Library

Save frequently used reference signatures for faster future verification.

✓ Verification History

Automatically store previous comparisons and review them anytime.

✓ Clean and simple interface

Designed for quick operation with an intuitive workflow.

✓ Cross-language support

Supports multiple languages for users around the world.

Premium Features

Upgrade to Premium to unlock:

• Unlimited signature verifications

• Ad-free experience

• Faster processing

• Full verification history

• Unlimited signature library

Typical Use Cases

• Document verification

• Contract review

• Business paperwork

• Personal signature comparison

• Administrative workflows

Important Notice

SignProof provides AI-generated similarity analysis based on uploaded images. Results are intended as a decision-support tool and should not be considered a definitive determination of authenticity or identity. For legal or forensic purposes, professional examination may still be required.

Privacy

Your signature images are processed only for verification purposes. You remain in control of your data and can delete saved history at any time.