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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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The Matterhorn Protocol 1.1

PDF/UA

The Matterhorn Protocol, a free publication, identifies all possible ways to fail PDF/UA-1.

Matterhorn Protocol 1.1 cover page


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Print workflow and metadata

Print workflow and metadata standards are used to communicate the intended appearance, processing steps, or job tickets for printed products through the use of existing PDF features.

Example PDF with processing step optional groups visible (from ISO 19593-1)


ISO 16684 (XMP)

ISO 16684 is the ISO family of standards that defines XMP (eXtensible metadata platform) for XML-based metadata. XMP is widely used across PDF and other file formats, and is mandated by many ISO PDF subsets.

ISO 16684-1 Graphic technology - extensible metadata platform with PDF Association logo (XMP) - Part 1: Data model cover


PDF 2.0 Application Note 003: Use of object metadata streams

This free application note summarizes precisely where PDF creators should add XMP metadata to PDF 2.0 objects, and thus where PDF 2.0 processors should search for it.

Application Note 003 cover


Technical Note 0009: XMP Extension Schemas in PDF/A-1

This TechNote explains how to construct an XMP extension schema for PDF/A-1. It complements TechNote 0008: Predefined XMP Properties in PDF/A-1. Both TechNotes should be used in combination as follows: If metadata requirements for PDF/A-1 documents arise, first consult the …

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Technical Note 0008 – Predefined XMP Properties in PDF/A-1

This TechNote lists all XMP schemas and properties which are allowed in PDF/A-1. Most importantly, it covers the predefined XMP schemas for use in PDF/A-1. In addition to providing a convenient summary, it also contains notes and recommendations regarding the …

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Technical Note 0003 – Metadata in PDF/A-1

PDF/A-1 imposes certain requirements and restrictions on document metadata in a compliant PDF/A-1 file where certain information is required to be encoded as XMP metadata, while corresponding entries in the document information dictionary for a document may be present but …

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Technical Note 0001 – PDF/A-1 and Namespaces

A PDF/A-1 file must be identified as such by the presence of a certain entry in its XMP document metadata. In order to be able to retrieve this entry reliably, it is essential that all syntactical requirements for storing metadata …

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