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How AI describes DiffPDF

Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this

DiffPDF logoDiffPDFmark-summerfield.github.io

Mark Summerfield produces free open source software, including small libraries and utilities, and created the DiffPDF application. He also founded Qtrac Ltd., which generated income from book sales and PDF comparison products like DiffPDF and comparepdfcmd before closing in 2025.

Brand context
Hosted on GitHub Pages

Parse Score

42.9
Strength5/ 100
Reach25/ 100
Authority25/ 100

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Sources

reddit.com shapes more of what AI says about DiffPDF than any other source, at 100% of its citations.

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