Adobe Acrobat Pro DC (Create and verify PDF accessibility) Desktop software available to Rice Staff and available on public computers in the Digital Media Commons.
PDF Accessibility Checker (PAC) PAC3 version Desktop download evaluates the accessibility of PDF files according to ISO-/DIN-Standard 14289-1 (PDF/UA) by using the Matterhorn Protocol. It checks 107 criteria that can be checked automatically. PAC is a free checking tool of the foundation «Access for all»: www.access-for-all.ch.
PAVE checker. Free online tool to perform accessibility checks and allows edits. Limited to files of 5 MBs or less. Upload PDF make recommended edits and download compliant PDF.
SortSite - Accessibility Checker and Validator. An online validator. Enter the direct PDF URL not the webpage where the PDF file is hosted.
BCcampus Open Education, Accessibility Toolkit – 2nd Edition
Section 508 Guide Tagging PDF’s in Adobe Acrobat Pro (PDF) Note: though this guideline uses an older version of acrobat, it provides in-depth steps which still may be helpful in troubleshooting many issues for PDF remediation.