Original English fixtures and artwork created for PDFMDTools. No personal documents. Released under CC0 1.0: https://creativecommons.org/publicdomain/zero/1.0/

text-and-links.pdf: two text/vector pages with eighteen table rows per page and one hyperlink per page. The original intentionally uses uncompressed page data to exercise that route.
image-heavy.pdf: two pages share one original high-quality JPEG sheet with readable English labels and textured background.

Actual downloads: text-and-links-compressed.pdf and image-heavy-kept.pdf use Keep image pixels unchanged. image-heavy-compressed.pdf uses Optimize eligible JPEGs (lossy). Compare all pages before relying on your own PDF. These fixtures do not establish results for all PDFs. checks.json records exact byte values, settings, page checks, limits and untested boundaries.