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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


March 25, 2024 by Peter Wyatt

How meaningful is PDF’s version number? SafeDocs’ research reveals that 20% of extant files contain features that exceed the stated version!

More Featured News


March 2024 by PDF Association staff (PDF Association)

Based on WTPDF, ISO 14289-2 serves to assure institutions that the PDF Association’s requirements for creating and validating accessible PDF 2.0 files … Read more


February 2024 by PDF Association staff (PDF Association)

Well-Tagged PDF (WTPDF), a common specification for both reuse and accessibility, is a massive leap forward for PDF technology.

Articles and PDF Association News

Authoritative answers to common questions about Tagged PDF, WTPDF and PDF/UA.


March 2024, Peter Wyatt

Peter Wyatt shares his custom metadata panels – very useful for discovering ISO standards and PDF Declarations metadata! (until vendors catch up!)

Join pdfa.org for exclusive member benefits tailored to PDF development. Our Member Benefit Manager, Melina, engages in insightful discussions with CEO Duff … Read more

The latest veraPDF release candidate adds PDF/UA-2 support. LibreOffice creates PDF/A and PDF/UA together. A “white paper” gets PDF wrong, again. Visualizing … Read more

The PDF Association has established a new Liaison Working Group (LWG) to serve as a place for forensics experts and PDF technology … Read more


February 2024, Duff Johnson

It’s time for AI integrators to help authors make semantically rich documents… and step up their game on PDF inputs.

What's happening on pdfa.org

What's happening on pdfa.org



Member News March 28, 2024

KDAN PDF Reader’s latest AI feature, Auto Redact, allows users to remove details like names, contact information, and financial data.

Member News March 27, 2024

UPDF’s “team interview” delves into the details of what makes the company special.

Resource March 26, 2024

Authoritative answers to common questions about Tagged PDF.

Member News March 26, 2024

Datalogics announces the availability of their most popular use case: APDFL code samples in Kotlin, which are compatible with Java … Read more

Member News March 20, 2024

callas software today releases a major update to its flagship pdfToolbox product line, which adds advanced quality control and PDF … Read more

Article March 18, 2024

Peter Wyatt shares his custom metadata panels – very useful for discovering ISO standards and PDF Declarations metadata! (until vendors … Read more

Member News March 15, 2024

pdfRest announces a significant update to its PDF Toolkit Self-Hosted API. Version 2.0 empowers developers with a simplified setup process, … Read more

Resource March 15, 2024

ISO 14289-2:2024 (PDF/UA-2) defines the use of tagged PDF in files conforming to ISO 32000-2:2020 (PDF 2.0) to ensure accessible … Read more

Article March 14, 2024

The latest veraPDF release candidate adds PDF/UA-2 support. LibreOffice creates PDF/A and PDF/UA together. A “white paper” gets PDF wrong, … Read more

Resource February 29, 2024

Comprehensive requirements for software that seeks to create fully reusable and accessible PDF 2.0 files in an interoperable manner.

Article February 28, 2024

It’s time for AI integrators to help authors make semantically rich documents… and step up their game on PDF inputs.

Member News February 26, 2024

The pdfRest team announces the introduction of new Java code samples, offering comprehensive access to all 25+ API Tools. These … Read more

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