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PDF Association

A vendor-neutral platform for developing open specifications and standards for PDF technology.

Welcome to the PDF Association's GitHub presence

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Home of the worldwide PDF technical community, the PDF Association provides a vendor-neutral platform for developing open specifications and standards for PDF technology. Together, we are the standards development organization for PDF, driving the world’s digital document format into the 21st century and beyond.

Today, the PDF Association's membership spans businesses, non-profit organizations, government agencies and individual consultants from across the globe.

As the secretariat administrator for ISO TC 171 SC 2 (on behalf of ANSI), the PDF Association manage the global standards-development process for all PDF's core standards.

As an ISO Category A liaison, the PDF Association provides a pathway to participation in ISO standards development for any stakeholder. The PDF Association is also in formal liaison with several other committees and organizations.

We are an international collaboration of member organizations and individuals engaged in a vendor-neutral platform for developing open specifications and standards for PDF technology. Together, we are driving the world’s digital document format into the 21st century and beyond.

PDF Association, Inc. administers the US Technical Advisory Group (TAG) that represents the interests of organizations in the US regarding activities in TC 171 SC 2. The US TAG allows US-based stakeholders to have a voice at the worldwide ISO table. 

How does the PDF Association community benefit from membership?

  • A vendor-neutral technical community
  • Venues for engagement with vertical industries
  • Collaborative development of application notes, best-practices and other resources
  • Specification and reference development
  • Forums for stakeholders' concerns, questions and suggestions
  • Shared knowledge and experience

PDF's end users benefit from PDF industry collaboration with greater security, reliability, quality, functionality and interoperability in their experience of electronic documents.

The most useful aspect of my membership with the PDF Association is access to the community, and the opportunity to help drive development of resources and content that advance the industry, and that are driven by the industry."

  • Martin Bailey, CTO, Global Graphics (ret.)

History

The PDF Association, e.V. was founded in Germany in 2006 as the not-for-profit 'ADDS', and was initially known as the PDF/A Competence Center. In 2011 the organization become the PDF Association, and broadened its scope to cover all aspects of PDF technology. Download the PDF Association, e.V. charter in German and English.

The PDF Association, Inc., a 501(c)(6) non-profit registered in Massachusetts, USA, was created in 2019 to administer the secretariat for ISO TC 171 SC2 on behalf of ANSI, and manage its respective US TAG.

Mission statement

As updated by the Board of Directors on November 30, 2022, the Mission of the PDF Association is:

Delivering a vendor-neutral platform for developing open specifications and standards for PDF technology.

Contact

To communicate with the PDF Association send email to info@pdfa.org.

Questions

Contact the PDF Association.

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  1. pdf-issues pdf-issues Public

    Industry-based resolutions for issues and errata reported against any PDF-related specification

    102 4

  2. pdf20examples pdf20examples Public

    PDF 2.0 example files

    118 23

  3. pdf-corpora pdf-corpora Public

    An index of PDF-centric corpora

    187 10

  4. safedocs safedocs Public

    Artifacts from the DARPA-funded SafeDocs research program

    Python 30 2

  5. arlington-pdf-model arlington-pdf-model Public

    A vendor- and implementation-independent specification-derived, machine-readable model of PDF.

    C 113 11

Repositories

Showing 10 of 14 repositories
  • pdf-cos-syntax Public

    VSCode extension for understanding and learning PDF syntax

    pdf-association/pdf-cos-syntax's past year of commit activity
    TypeScript 37 Apache-2.0 2 1 0 Updated Sep 19, 2026
  • arlington-pdf-model Public

    A vendor- and implementation-independent specification-derived, machine-readable model of PDF.

    pdf-association/arlington-pdf-model's past year of commit activity
    C 113 Apache-2.0 11 35 0 Updated Sep 17, 2026
  • pdf-issues Public

    Industry-based resolutions for issues and errata reported against any PDF-related specification

    pdf-association/pdf-issues's past year of commit activity
    102 CC-BY-4.0 4 240 (30 issues need help) 0 Updated Sep 16, 2026
  • report-an-issue Public

    Reporting issues on any PDF Association publications, test suites, etc.

    pdf-association/report-an-issue's past year of commit activity
    3 0 16 0 Updated Sep 9, 2026
  • pdf-differences Public

    Targeted PDFs demonstrating commonly seen PDF differentials and interoperability issues

    pdf-association/pdf-differences's past year of commit activity
    HTML 16 Apache-2.0 0 0 0 Updated Aug 30, 2026
  • pdf-corpora Public

    An index of PDF-centric corpora

    pdf-association/pdf-corpora's past year of commit activity
    187 CC-BY-4.0 10 0 0 Updated Aug 30, 2026
  • safedocs Public

    Artifacts from the DARPA-funded SafeDocs research program

    pdf-association/safedocs's past year of commit activity
    Python 30 Apache-2.0 2 2 1 Updated Aug 30, 2026
  • techniques-for-accessible-pdf Public

    Techniques for Accessible PDF

    pdf-association/techniques-for-accessible-pdf's past year of commit activity
    19 CC-BY-4.0 1 5 0 Updated Aug 30, 2026
  • .github Public template

    Special template files for all repos

    pdf-association/.github's past year of commit activity
    0 CC-BY-4.0 0 0 0 Updated Aug 30, 2026
  • pdf-extensions Public

    JSON data for PDF extensions

    pdf-association/pdf-extensions's past year of commit activity
    Python 1 CC-BY-4.0 0 0 0 Updated Aug 18, 2026

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