Articles

Different PDF SDKs can produce inconsistent validation results due to hidden assumptions and simplified APIs, making careful API selection essential for accurate … Read more

Developers rarely begin a project by asking for a PDF. They begin with something more specific. The PDF is simply where those … Read more

Ensure ADA Title II compliance with WCAG 2.1 AA. Learn how accessible PDFs, proper tagging, OCR, and structured documents reduce legal risk … Read more

How do you license (or not!) AIs to mine your PDFs? In this article we clarify the use of TDMRep’s reservation of … Read more

A document claiming conformance to PDF/A’s conformance level “b” can be visually perfect and machine-unreadable at the same time. This is not … Read more

Math in PDF files is finally fully accessible, and can be navigated and read by capable assistive technology. This development, aligning creation … Read more

Now marking its 20th year in operation, the PDF Association evolved from a collaboration of five German companies focused on PDF/A (ISO … Read more

PDF’s stakeholders and developers span the globe. Here, we visualize the community’s reach.

Join us for this webinar to discuss ideas for reinventing 3D PDFs. We’ll explore how to make 3D PDFs better, more accessible, … Read more

We analyzed PDF/UA-1 validation results across multiple commonly used tools using 155 reference files. This article shares key observations to help practitioners … Read more

Developers rarely ask about PDF standards upfront, until an accessibility audit fails or a government contract demands it. By then, the cost … Read more

We report on the technical aspects of the PDF files released by the US Department of Justice in connection with the Epstein … Read more

I asked ChatGPT, Gemini, Claude and CoPilot about PDF’s future. They agree that PDF isn’t fading – it’s becoming infrastructure.

Starting In 2025, the three most significant ISO standardized subsets of PDF – PDF/A, PDF/X, and PDF/UA – are now managed by … Read more

Developers evaluating HTML to PDF libraries have specific compliance and accessibility requirements. Sales teams who understand PDF/UA and PDF/A can engage consultatively, … Read more

An initiative to translate PDF 2.0 (ISO 32000-2) into Chinese aims to expand digital document interoperability and advance the PDF ecosystem with … Read more

Understanding how URLs can exist and behave in PDF/A files is critical to preservationists who need to identify, audit, and manage external … Read more

The global digital preservation community will come together on Thursday, November 6, 2025 to celebrate #WDPD2025 under the theme “Why Preserve?” Learn how you can … Read more