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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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PDF/X in a Nutshell

PDF Assiciation publication about PDF/X. PDF/X was the first ISO standard based on PDF technology. A subset of the PDF specification, PDF/X was designed to constrain PDF files in order to cater to specific use-cases in the print industry.

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PDF/UA in a Nutshell

ISO 14289-1, more commonly known as PDF/UA, was first published in the summer of 2012 as the first complete definition of a set of requirements for universally accessible PDF documents. Rather than applying to the PDF file format alone, these …

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PDF/A in a Nutshell 2.0

PDF/A is an ISO standard for using the PDF format for long-term archiving of digital documents. Since its publication in 2005, PDF/A has become the format of choice for archiving digital documents in a wide range of industries and applications. …

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4th International PDF/A Conference Proceedings

Contents What you need to know about PDF/A and PDF/A-2 Legal Certainty Accessibility and Metadata Archives & Libraries Public Administration Business to Consumer The Portable Document Format – developed by Adobe Systems and first published in 1993 – offers a …

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Introducción al PDF/A (Español)

El PDF/A es el PDF para el archivado a largo plazo. El PDF/A que fue aprobado a finales de 2005, es el primer formato de archivo que ya es un estándar ISO, garantiza que los documentos que se crean hoy, …

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PDF/A kompakt

PDF/A is the PDF for the long-term archiving. PDF/A – adopted in late 2005 – is the first file format as an ISO standard guarantees that are now open documents created in the future and use. “PDF / A in …

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The Camelot Project

Written by Adobe Systems co-founder Dr. John Warnock in 1990, the Camelot Project describes the vision that became PDF. Dr. Warnock created this PDF in 1995. It conforms with PDF 1.2, which explains the lack of accessibility features (introduced with …

The Camelot Project


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