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New Visual Studio Code extension supporting PDF syntax

The new VSCode extension by the PDF Association provides PDF syntax awareness to this popular editor, and is designed to support those learning PDF as … Read more

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How to get started with PDF 2.0

PDF is a large, complex specification! Developers often look for first steps in its implementation. This article offers some suggestions.

Screenshot of support for UTF-8 and the lack thereof.


Launching iText 8: better than ever at digital signing & document creation!

iText 8 is launches in its first release as part of the Apryse family.



PDF 2.0 adds AES-GCM support

The PDF Association is pleased to announce no-cost availability of ISO/TS 32003, adding support for AES-GCM to PDF 2.0.

Stylized image of


Announcing no-cost access to ISO 32000-2 (PDF 2.0)

Now anyone can download the latest PDF specification, ISO 32000-2, at NO COST! What are you waiting for?

ISO 32000 sponsored by Adobe, Apryse and Foxit.


PDF 2.0 modernizes cryptographic support

ISO TC 171 SC 2 is publishing new extensions and clarifications to PDF 2.0 in support of advanced cryptography.

PDF 2.0 security shield with crypto terms surrounding it


Quirks of PDF public-key encryption

A commentary on the interoperability of encrypting PDF documents with public-key cryptography.

Figurative depiction of cryptography with hands and a phone.


MACs vs. signatures in PDF

Matthias Valvekens explains the difference and respective value of digital signatures vs. MAC-based technology for authenticating PDF files.

A signed document delivered via computer.


ISO 32004: an overview

Matthias Valvekens, the ISO project leader who led development of ISO 32004, has written a pair of blog posts to explain what ISO 32004 does and does not achieve in leveraging MAC technology for securing encrypted PDF files against tampering.

Schematic of an ISO/DTS 32004 MAC in context.


Introducing non-rectangular links to PDF

Non-rectangular links are coming to PDF 2.0! This article offers some background to link technology in PDF and discusses the forthcoming Extension to PDF 2.0.

Screen-shot of long Table of Contents entries line wrapping with Link annotation QuadPoints boundaries highlighted.


PDF 2.0 adds STEP 3D model support

With the publication of ISO/TS 24064 PDF 2.0 now supports three 3D formats: U3D, PRC and STEP.

Engineering drawing and finished piece.