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Technical Notes, best-practice guides, test suites, educational videos and more

The PDF Association publishes a variety of documents and other resources to help developers, product managers, and others interested in leveraging PDF to meet their business and organizational objectives.

Most publications listed on pdfa.org are developed through our publications process, and are freely available to members and non-members alike.

PDF Association members may access drafts of current and upcoming ISO standards via the members-only intranet.

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PDF Declarations

PDF in general

ISO-standardized subsets of PDF such as PDF/A, PDF/UA and PDF/X already include identification mechanisms. However, in many cases users of PDF files would like to leverage 3rd party standards or …

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PDF Declarations

// September 5, 2019
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Tagged PDF Best Practice Guide 0.1.1

The objective of this document is to promote a detailed understanding of the correct use of PDF technology and to make that technology more comprehensible to accessibility experts rooted in web technologies. This document has been retired in favor of …

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PDF/VT Application Notes

The PDF/VT Application Notes discuss topics that aid implementers of PDF/VT workflow tools and demonstrate the various design features of the PDF/VT file format. The document was developed by the PDF/VT Competence Center of the PDF Association, in close cooperation with, …

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Finnish Business Archive Association: “PDF/A-3 as preservation format”

The Finnish Business Archive Association organised an expert event from September, 30 to October, 1st 2015 in Mikkeli, Finland. PDF Association Board Member Hans-Joachim Hübner and Managing Director Thomas Zellmann presented the keynote speech discussing “PDF/A-3 as preservation format”.

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PDF Days Europe 2015: Session recordings

You missed PDF Days Europe 2015? Never mind! Most sessions were recorded, and may be viewed via the links in the table. Monday, June 8, 2015 – Educational DayeIDAS and the PDF world Influences and challenges of the new EU …

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PDF/A (Flyer)

PDF/A is the ISO standard for archiving electronic documents using the PDF format. The first part, PDF/A-1, was published on October 1, 2005. The second and third parts, PDF/A-2 (2011) and PDF/A-3 (2012), enhance PDF/A with support for additional features …

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PDF/UA (Flyer)

PDF/UA is the common name for ISO 14289. An international standard approved in 2012, PDF/UA defines how to represent electronic documents in the PDF format in a manner that allows the file to be accessible. The standard identifies PDF components …

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ISO 14289 (PDF/UA)

The accessibility of an electronic document is dependent on the inclusion of a variety of semantic information such as (but not limited to) machine-recoverable text presented in a declared language, logical structure of content, and organization of that content in …

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PDF/UA Reference Suite

The PDF/UA Reference Suite is a resource for software developers and practitioners interested in best-practices for creating tagged and accessible PDF files

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PDF Day 2014 (DC and NY): Session Recordings

In late 2014, over two days in Washington DC and New York City over 20 experts came together to offer high-level educational sessions on PDF technology. Links to each session recording are provided below: Introduction: What is PDF, who owns …

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The Matterhorn Protocol 1.02

To promote adoption of PDF/UA by software developers and document testers alike, the PDF Association’s PDF/UA Competence Center developed the Matterhorn Protocol, a list of all the possible ways to fail PDF/UA. Following the requirements of PDF/UA, the document consists …

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