Starting In 2025, the three most significant ISO standardized subsets of PDF – PDF/A, PDF/X, and PDF/UA – are now managed by a single ISO subcommittee: ISO TC 171 SC to ensure harmonized technical wording and improve communication and synchronization between all working groups. The PDF Association administers the secretariat for ISO TC 171 SC 2 on behalf of ANSI.
Discover our new PDF merch shop! Order branded apparel and accessories for delivery worldwide.
The third release of Techniques for Accessible PDF includes an initial set of techniques for Lists; 15 new pass techniques and 10 new failure examples.
Browsers leverage PDF in their battle for dominance | Your PDF says a lot about you | Is Big Data finally getting smarter about PDF? Hmm… | For government, accessible PDF is the law | Register-ing JPEG-XL for PDF
| Prank PDFs (can) cause hallucinations | “Spiked” PDF | JAWS misses opportunity to improve accessible PDF support | OpenPDF 3.0.0 supports PDF 2.0 | PDFacademicBot
The PDF Association is surveying the PDF industry to fill the gap in reliable market data.
Understanding how URLs can exist and behave in PDF/A files is critical to preservationists who need to identify, audit, and manage external references.
PDF Days Europe 2025 introduced a new concept to our events: the poster session! Now you can download the posters yourself!
The wait is over! The recordings of all the presentations of PDF Days Europe are online and ready for you!
Communities shaping the future of PDF.
In the context of the European Accessibility Act (EAA), accessible PDFs are shifting from a “nice to have” to a legal requirement in many areas. Alexander Pfingstl’s keynote will address the implications for document creators, vendors, and institutions, and address the state of accessible PDF today.
