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Techniques for Accessible PDF: Headings

April 2025 by PDF Association staff

Headings are vital in organizing document content, especially with longer or complex documents. For assistive technology, the correct use of headings allows what would otherwise be an undifferentiated stream of text to become a navigable document in which readers can quickly find the content they want to read, and skip the content they don’t want to read.

Getting headings right is especially important with PDF documents, which can be very long, and may include deeply nested headings, multiple documents, document fragments, and more. Accessibility techniques for headings may therefore differ from techniques that are applicable to other technologies such as HTML.

On this basis the PDF Association is pleased to announce its second release of Techniques for Accessible PDF covering headings.

The new PDF 2.0 and subset standards

December 2020 by PDF Association staff
News


A brief survey of ISO 32000-2:2020 and its associated subset standards for archiving, print, transactional and variable print and raster imaging.

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December 2020 by PDF Association staff
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The 2020 edition includes a number of critical updates to normative references as well as other corrections and clarifications. It … Read more

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December 2020 by PDF Association staff
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The US National Archives and Records Administration’s new proposal for standardization of digitization of permanent federal records is available for … Read more

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November 2020 by PDF Association staff
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OctoberPDFest recordings are now available! 31 videos offer a wide variety of perspectives on our favorite format.

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July 2020 by Ferass Elrayes
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Google’s Chrome browser now creates tagged PDF files when the “Save as PDF” option is selected (Control / Command-P).

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May 2020 by PDF Association staff
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The latest release of the industry-supported PDF/A validator has been released. An open source project developed by the Open Preservation … Read more

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May 2020 by PDF Association staff
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The PDF Association and the 3D PDF Consortium have partnered to develop a high-level introduction to the role and capabilities … Read more

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May 2020 by PDF Association staff
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The objective of the draft report on archiving email with PDF is to describe how advanced PDF-based capture, preservation, rendering, … Read more

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March 2020 by Peter Wyatt
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Now available from ISO: the Draft International Standard (DIS) version of the latest ISO 32000-2 (PDF 2.0) standard is ready … Read more

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October 2019 by PDF Association staff
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In the late 1990s Karl’s ‘Planet PDF’ created a worldwide PDF community and went on to found successful companies leveraging … Read more

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October 2019 by PDF Association staff
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These vulnerabilities require an attacker to modify an encrypted PDF file, potentially leading to the exfiltration of the document’s contents … Read more

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