PDF Accessibility Checker (PAC)

Free PDF/UA checker

The PDF Accessibility Checker (PAC) 3 is a freeware of the Swiss foundation "Access for all" for PDF accessibility testing.

The features:

  • a PDF/UA-check with all machine-testable checkpoints of the matterhorn protocol
  • a screenreader preview for evaluating the logical document structure visually
  • a view of the tag tree with all properties and attributes
  • statistics concerning the document structure

With PAC 3 - the worldwide first ISO 14289-1 (PDF/UA) validator - it is possible to evaluate the  PDF/UA compliance of your accessible PDFs.

Download PAC 3

Download the newest version (only for Windows):

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