This updated algorithm by the Deriving HTML from PDF TWG is substantially expanded and improved to take advantage of Well-Tagged PDF (WTPDF).
The PDF Association has published two new PDF/UA-1 Technical Notes on the Use of ActualText on Figure structure elements and Reference structure elements containing links.
We remember a PDF Association co-founder and former Board chair.
How to mark a PDF file as conforming to WCAG.
PDF 2.0, Errata Collection 3 (EC3) is a complete replacement for the previous Errata Collection 2 (EC2).
A brief summary of how the new features introduced in PDF 2.0 features translate into practical benefits across industries such as publishing, accessibility, engineering, geospatial analysis, and secure document workflows.
Digital transformation has changed how organizations create, distribute, and manage information, but has not eliminated the need for the “OG hard copy” document.
PDF Association Working Group chairs share their reflections on Global Accessibility Awareness Day 2026.
Developed by the LaTeX Project LWG, this guide provides critical recommendations for authors and publishers to ensure complex mathematical and STEM content meets accessibility requirements and assistive technology users’ needs.
This FAQ is designed to educate journalists, social media commentators and others lacking expertise in PDF technology on why and how AI systems use PDF documents.