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Home of the worldwide PDF technical community

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Our mission Delivering a vendor-neutral platform for developing open specifications and standards for PDF technology.

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Our vision Driving the world’s digital document format into the 21st century and beyond.



Featured News


July 23, 2024 by Peter Wyatt

To avoid confusing and frustrating users, applications can and should be robustly prepared for significant changes to PDF – with end user messaging in mind – well before files start to occur in the marketplace.

More Featured News

These synthetic files are intended for user experience and human-computer interaction (HCI) specialists to assess the behavior of their current generation of … Read more

Peter Wyatt’s latest article focuses on improving the user experience for website visitors needing to access specific content in longer PDF documents.

Articles and PDF Association News

A new members-only resource supports forensic experts tasks with examination of PDF files.

What do “first class companies” do? Japanese media covers the PDF Association in Tokyo. Firefox adds experimental alt. text generation to PDF. … Read more

Private data is everywhere is in almost every broadly-adopted file format. This Application Note answers questions about private data in PDF files.

Microsoft deepens its investment in Tagged PDF. We talked PDF with NISO. Both Android and iOS improve PDF handling. A major vulnerability … Read more

While PDF/X establishes rules for representing page content for print purposes, it doesn’t describe the specific requirements of the finished print product. … Read more


May 2024, Peter Wyatt

LOGIN REQUIRED: These synthetic files are intended for user experience and human-computer interaction (HCI) specialists to assess the behavior of their current … Read more

What's happening on pdfa.org

What's happening on pdfa.org



Article July 22, 2024

These synthetic files are intended for user experience and human-computer interaction (HCI) specialists to assess the behavior of their current … Read more

Member News July 18, 2024

axial releases a new version of MadeToTag, the tool for the generation of accessible PDF/UA documents from within Adobe InDesign.

Member News July 16, 2024

Datalogics announces the release of PDF Optimizer Version 3.5.0 introducing support for PDF/A-4 conversion.

Member News July 9, 2024

Crawford Technologies will showcase its solutions at thINK Ahead 2024, held July 17-19 in Boca Raton, Florida.

Member News July 2, 2024

Crawford Technologies and Docuvela form a strategic partnership to develop innovative technology solutions to address the document management challenges businesses … Read more

Member News June 28, 2024

UPDF announces its AI-powered PDF editor with new image interaction functionality.

Member News June 24, 2024

pdfRest announces the launch of Convert PDF Colors as the newest API Tool available with its PDF Toolkit Cloud API … Read more

Article June 24, 2024

What do “first class companies” do? Japanese media covers the PDF Association in Tokyo. Firefox adds experimental alt. text generation … Read more

Member News June 24, 2024

Kdan Mobile announces the latest update to their PDF Reader introducing the document Analyst Chatbots that enable users to review … Read more

Member News June 20, 2024

Datalogics announces the release of new Maven and NuGet packages for their Forms Extension add-on for Adobe PDF Library. These … Read more

Member News June 18, 2024

UPDF AI Launches ‘Summarize Paper’ to Elevate Your Knowledge Journey. Give your productivity that much needed boost with the Summarize … Read more

Member News June 12, 2024

callas software’s pdfChip – and additional functionality from its pdfToolbox – is now included in dots software’s AccurioPro. As a … Read more

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