Home of the worldwide PDF technical community
Our missionDelivering a vendor-neutral platform for developing open specifications and standards for PDF technology.
Our visionDriving the world’s digital document format into the 21st century and beyond.
Featured News
September 2026 by Benson Hendall (PDFSmart)

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more
Our Valued Members
Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more
iLoveAPI’s new Detect Forms tool automatically finds static form elements in PDFs and rebuilds them as standard, fillable fields, all … Read more
Continual Engine’s SmartHTML transforms legacy PDFs into responsive, accessible HTML at scale, helping educational institutions and governments modernize content without … Read more
UPF’s new page for attorneys presents a connected workflow for reviewing evidence, comparing contract revisions, protecting privileged information, and preparing … Read more
If you’re generating or converting PDFs at scale, the latest Adobe PDF Library (APDFL) release adds two capabilities worth knowing … Read more
PDF is not inherently a problem for AI. The structure of a PDF needs to correspond to the content and … Read more
With the new axesWord Beta, you can now check the accessibility of your Word documents directly in axesWord. The new … Read more
Higher education institutions create and share countless PDFs, from course materials and syllabi to research papers, forms, and handbooks. Learn … Read more
ChatGPT now adds Content Credentials to generated PDFs, but a structural error can make those files incompatible with PDF/X. Dietrich … Read more
UPDF offers new resources for real-estate how agents, brokers, and property teams so they can review disclosures, compare offers, digitize … Read more
The new PDF to PostScript API Tool gives print, prepress, and publishing teams a configurable way to generate production-ready PostScript … Read more
This document provides clarification on consuming Reference structure elements with link annotations.
Home of the worldwide
PDF technical community


Featured News
September 2026 by Benson Hendall (PDFSmart)

Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more
Our Valued Members
Every save rewrites a PDF. What usually survives an ordinary compress or merge is the XMP declaration, not the structure … Read more
iLoveAPI’s new Detect Forms tool automatically finds static form elements in PDFs and rebuilds them as standard, fillable fields, all … Read more
Continual Engine’s SmartHTML transforms legacy PDFs into responsive, accessible HTML at scale, helping educational institutions and governments modernize content without … Read more
UPF’s new page for attorneys presents a connected workflow for reviewing evidence, comparing contract revisions, protecting privileged information, and preparing … Read more
If you’re generating or converting PDFs at scale, the latest Adobe PDF Library (APDFL) release adds two capabilities worth knowing … Read more
PDF is not inherently a problem for AI. The structure of a PDF needs to correspond to the content and … Read more
With the new axesWord Beta, you can now check the accessibility of your Word documents directly in axesWord. The new … Read more
Higher education institutions create and share countless PDFs, from course materials and syllabi to research papers, forms, and handbooks. Learn … Read more
ChatGPT now adds Content Credentials to generated PDFs, but a structural error can make those files incompatible with PDF/X. Dietrich … Read more
UPDF offers new resources for real-estate how agents, brokers, and property teams so they can review disclosures, compare offers, digitize … Read more
The new PDF to PostScript API Tool gives print, prepress, and publishing teams a configurable way to generate production-ready PostScript … Read more
This document provides clarification on consuming Reference structure elements with link annotations.












































