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PDF Accessibility Checker (PAC) 2021

Free PDF/UA checker

The PDF Accessibility Checker (PAC) is freeware, hosted by the PDF/UA Foundation, that you can use for PDF accessibility testing. With PAC, the first worldwide ISO 14289-1 (PDF/UA) validator, you can check your PDFs for compliance with PDF/UA standards.

Key features of PAC:

  • A PDF/UA-check with all machine-testable checkpoints of the Matterhorn Protocol
  • A WCAG-check with all machine-testable checkpoints of the Web Content Accessibility Guidelines (WCAG) 2.1
  • A screenreader preview for visually evaluating the logical structure of the document
  • A view of the tag tree with all properties and attributes
  • Statistics about the document structure
  • A printable summary report

Download PAC

Download the newest version here: PAC 2021 (only for Windows)
https://pdfua.foundation

Download older versions that were hosted by the Swiss Foundation "Access for All":
https://www.access-for-all.ch/en/pdf-accessibility-checker.html

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