Articles

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

The PDF industry is preparing for the quantum era by adopting post-quantum cryptography (PQC) standards. Following key developments at PDF Days 2025, … Read more

ISO standardized subsets of PDF, such as PDF/UA, enable files to claim conformance to a specific version of PDF/UA using XMP-based PDF/UA … Read more

According to Board chair Raf Hens: “The event showcased what makes the PDF ecosystem unique: a standards-driven, industry-wide collaboration where vendors, implementers, … Read more

This article is written from my perspective as a lifelong software engineer and current CTO who codes differently – first because I … Read more

We were asked to investigate non-functional internal document (intra-document) hyperlinks in PDFs stored on Google Drive and viewed with Google’s Preview. Here’s … Read more

Experience since PDF/UA-1 was published has revealed that some rules were too prescriptive. In some situations the semantic significance of an image … Read more

PDF has long relied on Flate for general-purpose data compression. Today, Brotli has emerged as a promising new approach that could significantly … Read more