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):
http://www.access-for-all.ch/en/pdf-lab/pdf-accessibility-checker-pac.html