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Home of the worldwide PDF technical community

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

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

Featured News


September 2026 by PDF Association staff
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Visit PDF Association staff‘s profile.

This updated algorithm by the Deriving HTML from PDF TWG is substantially expanded and improved to take advantage of Well-Tagged … Read more

PDF Association news

September 2026 by Benson Hendall (PDFSmart)
Photo of Benson Hendall
Visit Benson Hendall‘s profile.

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more

Article

September 2026 by PDF Association staff
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Visit PDF Association staff‘s profile.

The PDF Association has published two new PDF/UA-1 Technical Notes on the Use of ActualText on Figure structure elements and … Read more

PDF Association news

Our Valued Members

What's happening on pdfa.org

What's happening on pdfa.org



Resource September 25, 2026

This document describes an algorithm for producing conforming HTML from a well-tagged PDF document. HTML was chosen as a derivation … Read more

Member News September 25, 2026

Actino Software has enhanced Auto-Link, its solution for automatically creating hyperlinks, cross-references and navigation structures in PDF documents. Configurable rules … Read more

Member News September 23, 2026

Improving the accessibility and usability of a PDF has always required either significant in-house expertise or an expensive outside service. … Read more

Article September 23, 2026

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more

Member News September 23, 2026

iLoveAPI’s new Detect Forms tool automatically finds static form elements in PDFs and rebuilds them as standard, fillable fields, all … Read more

Member News September 22, 2026

Continual Engine’s SmartHTML transforms legacy PDFs into responsive, accessible HTML at scale, helping educational institutions and governments modernize content without … Read more

Member News September 22, 2026

UPF’s new page for attorneys presents a connected workflow for reviewing evidence, comparing contract revisions, protecting privileged information, and preparing … Read more

Member News September 21, 2026

If you’re generating or converting PDFs at scale, the latest Adobe PDF Library (APDFL) release adds two capabilities worth knowing … Read more

Member News September 18, 2026

PDF is not inherently a problem for AI. The structure of a PDF needs to correspond to the content and … Read more

Member News September 18, 2026

With the new axesWord Beta, you can now check the accessibility of your Word documents directly in axesWord. The new … Read more

Article September 18, 2026

Higher education institutions create and share countless PDFs, from course materials and syllabi to research papers, forms, and handbooks. Learn … Read more

Member News September 18, 2026

ChatGPT now adds Content Credentials to generated PDFs, but a structural error can make those files incompatible with PDF/X. Dietrich … Read more

Home of the worldwide
PDF technical community


Icon for our mission
Our mission Delivering a vendor-neutral platform for developing open specifications and standards for PDF technology.
Icon for our vision
Our vision Driving the world’s digital document format into the 21st century and beyond.
 

Featured News


September 2026 by PDF Association staff
PDF Association logo
Visit PDF Association staff‘s profile.

This updated algorithm by the Deriving HTML from PDF TWG is substantially expanded and improved to take advantage of Well-Tagged … Read more

PDF Association news

September 2026 by Benson Hendall (PDFSmart)
Photo of Benson Hendall
Visit Benson Hendall‘s profile.

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more

Article

September 2026 by PDF Association staff
PDF Association logo
Visit PDF Association staff‘s profile.

The PDF Association has published two new PDF/UA-1 Technical Notes on the Use of ActualText on Figure structure elements and … Read more

PDF Association news

Our Valued Members


What's happening on pdfa.org

What's happening on pdfa.org



Resource September 25, 2026

This document describes an algorithm for producing conforming HTML from a well-tagged PDF document. HTML was chosen as a derivation … Read more

Member News September 25, 2026

Actino Software has enhanced Auto-Link, its solution for automatically creating hyperlinks, cross-references and navigation structures in PDF documents. Configurable rules … Read more

Member News September 23, 2026

Improving the accessibility and usability of a PDF has always required either significant in-house expertise or an expensive outside service. … Read more

Article September 23, 2026

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more

Member News September 23, 2026

iLoveAPI’s new Detect Forms tool automatically finds static form elements in PDFs and rebuilds them as standard, fillable fields, all … Read more

Member News September 22, 2026

Continual Engine’s SmartHTML transforms legacy PDFs into responsive, accessible HTML at scale, helping educational institutions and governments modernize content without … Read more

Member News September 22, 2026

UPF’s new page for attorneys presents a connected workflow for reviewing evidence, comparing contract revisions, protecting privileged information, and preparing … Read more

Member News September 21, 2026

If you’re generating or converting PDFs at scale, the latest Adobe PDF Library (APDFL) release adds two capabilities worth knowing … Read more

Member News September 18, 2026

PDF is not inherently a problem for AI. The structure of a PDF needs to correspond to the content and … Read more

Member News September 18, 2026

With the new axesWord Beta, you can now check the accessibility of your Word documents directly in axesWord. The new … Read more

Article September 18, 2026

Higher education institutions create and share countless PDFs, from course materials and syllabi to research papers, forms, and handbooks. Learn … Read more

Member News September 18, 2026

ChatGPT now adds Content Credentials to generated PDFs, but a structural error can make those files incompatible with PDF/X. Dietrich … Read more

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