Verification Tools
Browser-based analysis tools to assist in the 24-point exclusion process. These tools do not replace professional certification.
Pressure Analysis
Map ink density to identify hesitation, unnatural stops, and uniform drawing pressure.
Slant Calculator
Calculate the exact angle of descenders and ascenders across multiple samples.
UV Fluorescence Guide
Reference database for paper brightener reactions by decade.
Autopen Database
Pattern matching for known presidential and celebrity autopen matrices.
Ink Chronometry
Timeline of commercial ink formulations and their introduction dates.
Ratio Extractor
Extract ascender/descender height ratios automatically from an uploaded image.