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PDF Fragment Identifiers

June 2024 by Peter Wyatt (PDF Association)

Websites can use URI fragments for PDF references so that when visitors need to interact with PDF content, the precise content can be referenced, providing a quick and helpful experience instead of a generic and unfriendly “it’s somewhere in this long PDF document – work it out for yourself”.

This article is for those who wish to focus on improving the user experience for website visitors needing to access specific content in PDF documents. In addition to a review of fragment identifiers and an analysis of current browser support, the article includes test URLs referencing PDFs with various features that can be used by, or influence, PDF fragment identifiers.

We hope that browser development teams will pay closer attention to the needs of their end-users when accessing web-delivered PDF content. This includes fully supporting a broader set of ISO-standardized PDF fragment identifiers in browsers’ default configurations.

Integrity protection for encrypted documents: ISO TS 32004 is the latest Extension to PDF 2.0

May 2024 by PDF Association staff (PDF Association)
Announcement, PDF Association news


The latest ISO Extension to PDF 2.0 offers backwards-compatible integrity protection via Message Authentication Code (MAC).

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April 2024 by PDF Association staff (PDF Association)
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A new ISO extension to PDF 2.0 adds PDF support for the Khronos Group’s glTF 3D format.

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March 2024 by PDF Association staff (PDF Association)
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Based on WTPDF, ISO 14289-2 serves to assure institutions that the PDF Association’s requirements for creating and validating accessible PDF … Read more

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December 2023 by PDF Association staff (PDF Association)
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PDF Week Online 2024 consists of 16 PDF Association Working Group meetings and 2 ISO working group meetings.

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November 2023 by PDF Association staff (PDF Association)
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The new VSCode extension by the PDF Association provides PDF syntax awareness to this popular editor, and is designed to … Read more

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September 2023 by Peter Wyatt (PDF Association)
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PDF developers everywhere have a new resource; targeted test cases highlighting differences between implementations.

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June 2023 by PDF Association staff (PDF Association)
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The PDF Association is pleased to announce no-cost availability of ISO/TS 32003, adding support for AES-GCM to PDF 2.0.

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June 2023 by PDF Association staff (PDF Association)
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To celebrate the 30th anniversary of PDF technology the PDF Association has released a trailer for its forthcoming documentary.

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April 2023 by PDF Association staff (PDF Association)
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Now anyone can download the latest PDF specification, ISO 32000-2, at NO COST! What are you waiting for?

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September 2022 by PDF Association staff (PDF Association)
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The PDF Association publishes new guidance to aide in optimizing PDF files for maximally-efficient rendering and print.

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May 2022 by PDF Association
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33 educational sessions plus 2 keynotes in 2 days of networking opportunities at PDF Days Europe 2022, live in Berlin … Read more

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