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Illustrations of a finger on a keyboard, hand on a mouse, a hand holding files, black and white hands clasped together.

In support of the International Archives Week theme and its four subthemes, the PDF Association is announcing its forthcoming Best Practice Guide on “Conforming to both PDF/A & PDF/UA”.

PDF Days agenda

2 keynotes, 21 presentations, 2 poster sessions, briefings from working-group chairs, the elevator pitch session and more. Check out the agenda now!

PDF Week attendees walk by a monument in Concord.

Members gather for PDF Week Boston 2025 in Concord, Massachusetts! Besides sightseeing and socializing there is also some work getting done!

A charcoal sketch of four people identified as office-workers raising a flag.

What does it take to build the organizational skills and resources necessary to succeed in ensuring PDF documents are accessible?

Screenshot of a FAIL example displaying the page and associated tag tree. An arrow connects a P tag to heading content. A red "X", indicating "fail" sits on the arrow.

The PDF Accessibility LWG’s 2025-Q2 release focuses on headings, with 9 new techniques and 8 new failure examples.

3 scary robots stealing books from a library.

AI’s Pirated-Books Problem | Correcting US financial regulations referencing PDF | New crawl limit improves CC’s capture of PDF | W3C note on “Accessibility of machine learning and generative AI” | What is so plain about plain text? | Surveying PDF accessibility remediators | Courts’ rules lack detail | PDFacademicBot for April 2025

On the left, a screen-shot of the PDF page, on the right the PDF code showing "vegetative electron microscopy" in order.

When will AI understand document semantics? | Will LLM-based OCR live up to the challenge? | Indicating whether the publisher allows PDF files to be mined by AI | JHOVE PDF parsing improvements | Progress on HDR standards | PDFacademicBot for March, 2025.

Bicycle racers and computer users at a "PDF" themed sporting event.

The PDF Association will host a trio of PDF technology events in Berlin from September 11-19. Save the date… and check out the “disciplines”! Answer the survey to help us create the best possible events for you!

Futuristic conceptual image of a technical conference, with document icons and security symbols.

The new TWG will explore topics such as verifiable credentials, digital signatures, modern cryptography and content provenance frameworks in alignment with the PDF industry’s growing need for secure and transparent digital workflows.

"XMP" superimposed onto a field of icons.

These free XMP Extension Schema templates support PDF documents that conform to multiple subset standards, including PDF/A, PDF/X, PDF/VT, and PDF Declarations.

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