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ISO standards, test suites, best-practice guides…

The PDF Association publishes a variety of documents and other resources for those interested in leveraging PDF technology, and as of Q4 2021, also sells the ISO standards relating to PDF technology as developed by ISO TC 171 SC 2.

In addition to formal ISO standards many PDF Association publications developed through our publications process are freely available.

PDF Association members may access process documents and drafts of upcoming ISO standards via the Member Area.

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VSCode extension: PDF COS Syntax Support

PDF and FDF COS syntax VSCode extension for PDF developers interested in learning PDF as a page description language syntax.

PDF Association VSCode extension logo.


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Stressful PDF Corpus

Understanding the problems faced by diverse parsers can be a great learning experience. The “Issue Tracker” corpus of stressful PDF files was originally developed under the DARPA-funded “SafeDocs” program.



PDF/UA Reference Suite 1.1

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



veraPDF Test Suite

veraPDF is the industry-supported open-source validator for PDF/A-1, PDF/A-2 and PDF/A-3. The software was developed under the supervision of the PDF Association’s PDF Validation Technical Working Group. As of 2021 the PDF/A TWG continues to set policy for the test … Read more



Cal Poly Graphic Communications PDF/VT Test File Suite 0.1

This collection of four sets of graphically-rich, robust, valid PDF/VT files facilitates testing and demonstrating products claiming the ability to consume files that conform to the ISO 16612-2 PDF/VT standard.



Isartor Test Suite

This test suite comprises a set of files which can be used to check the conformance of software regarding the PDF/A-1 standard.