Repositories list

• pdf-cos-syntax

  Public
  VSCode extension for understanding and learning PDF syntax

  pdfvscodevscode-extension+ 2

  pdfvscodevscode-extensionvscode-snippetsvscode-language

  TypeScript

  •

  Apache License 2.0

  •22 forks•3535 stars•11 issue•00 pull requests•Updated Jul 5, 2026Jul 5, 2026

• pdf-declarations

  Public
  A definitive JSON representation of PDF Declarations https://pdfa.org/declarations

  metadatapdf

  metadatapdf

  Python

  •

  Creative Commons Attribution 4.0 International

  •00 forks•11 star•00 issues•00 pull requests•Updated Jul 1, 2026Jul 1, 2026

• pdf-corpora

  Public
  An index of PDF-centric corpora

  pdfpdf-filespdfs+ 2

  pdfpdf-filespdfstest-corpuspdf-corpora

  Creative Commons Attribution 4.0 International

  •1010 forks•182182 stars•00 issues•00 pull requests•Updated Jun 29, 2026Jun 29, 2026

• pdf-issues

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

  pdfisoerrata+ 2

  pdfisoerrataindustrycorrections

  Creative Commons Attribution 4.0 International

  •55 forks•9696 stars•207207 issues•00 pull requests•Updated Jun 18, 2026Jun 18, 2026

• .github

  Public template
  Special template files for all repos

  Creative Commons Attribution 4.0 International

  •00 forks•00 stars•00 issues•00 pull requests•Updated Jun 4, 2026Jun 4, 2026

• tagged-pdf-school

  Public
  Collating community feedback from Tagged PDF School

  Creative Commons Attribution 4.0 International

  •00 forks•11 star•1111 issues•00 pull requests•Updated Jun 4, 2026Jun 4, 2026

• techniques-for-accessible-pdf

  Public
  Techniques for Accessible PDF

  pdfaccessibilitytagged-pdf

  pdfaccessibilitytagged-pdf

  Creative Commons Attribution 4.0 International

  •11 fork•1717 stars•44 issues•00 pull requests•Updated Jun 4, 2026Jun 4, 2026

• arlington-pdf-model

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

  pdfdata-modeliso

  pdfdata-modeliso

  C

  •

  Apache License 2.0

  •1010 forks•107107 stars•3434 issues•00 pull requests•Updated May 4, 2026May 4, 2026

• pdf-extensions

  Public
  JSON data for PDF extensions

  Python

  •

  Creative Commons Attribution 4.0 International

  •00 forks•00 stars•00 issues•00 pull requests•Updated Mar 30, 2026Mar 30, 2026

• pdf-differences

  Public
  Targeted PDFs demonstrating commonly seen PDF differentials and interoperability issues

  pdf

  pdf

  HTML

  •

  Apache License 2.0

  •00 forks•1515 stars•00 issues•00 pull requests•Updated Mar 20, 2026Mar 20, 2026

• pdf20examples

  Public
  PDF 2.0 example files

  pdfisopdf-files

  pdfisopdf-files

  Other

  •2323 forks•113113 stars•22 issues•00 pull requests•Updated Jan 13, 2025Jan 13, 2025

• report-an-issue

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

  pdfpublicationserrata+ 1

  pdfpublicationserratacorrections

  00 forks•33 stars•1313 issues•00 pull requests•Updated Nov 24, 2024Nov 24, 2024

• safedocs

  Public
  Artifacts from the DARPA-funded SafeDocs research program

  pdfpdf-filespdfs

  pdfpdf-filespdfs

  Python

  •

  Apache License 2.0

  •22 forks•2828 stars•22 issues•11 pull request•Updated May 25, 2023May 25, 2023

• PDF2NormRefs

  Public
  ISO 32000-2 (PDF 2.0) Normative References tree

  pdfiso

  pdfiso

  Python

  •

  Apache License 2.0

  •00 forks•66 stars•00 issues•00 pull requests•Updated Oct 27, 2021Oct 27, 2021