Check PDF/UA online
What a PDF/UA check covers, how to read the report and where automated checks end.
Guides
Guides on accessible PDFs and PDF/UA
What PDF/UA requires, how existing PDFs can be improved and which legal requirements apply – explained with a focus on practical work.
Tag an existing PDF
What PDF tags are, how retroactive tagging works and which manual work remains.
European Accessibility Act and PDFs
What the European Accessibility Act and its national laws mean for PDF documents.
PDF/UA vs. WCAG
Two standards, one goal: how PDF/UA and WCAG relate and which one applies when.
Common PAC and veraPDF errors
Typical PAC and veraPDF error messages explained, with causes and fixes.
PDF accessibility API
Check and tag PDFs automatically: a REST API for document workflows and batch processing.