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Screen-shot of Google Trends search for "PDF".

How do we gain insight into how users’ views of documents are shifting? Google Trends is an increasingly interesting source of high-level marketplace data. By aggregating Google’s search data over time, reporting a term’s popularity as compared with all other searches.

Diagram of the workflow described herein.

The PDF Techniques Accessibility Summit’s objective is to establish a broad-based understanding of how PDF files should be tagged for accessibilty. It’s an opportunity to focus on establishing a common set of examples of accessible PDF content, and identify best-practice when tagging difficult cases.

A pink lemon-slice among yellow slices.

The typical adoption curve for PDF technologies until approximately 2007 tended to track with that of the original PDF developer. Since then the marketplace has shifted; it’s no longer clear that Adobe drivesPDF feature support worldwide. Accordingly, we are happy to report that adoption of PDF 2.0 continues apace, with new vendors announcing their support every month.

Supporting PDF/UA

The PDF Association recognizes its members supporting ISO 14289 (PDF/UA)! Members offering PDF/UA services are also recognized.

See the key for more information about this table.

NOTE: All claims are made by the software publisher or service provider, and have not been vetted by the PDF Association. Please see each vendor’s “More info” link for additional information.

Vendor Product Create
Tagged PDF
Create
PDF/UA
Remediate Verify Viewer More
ABBYY FineReader Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
Access for All PAC 3¹ Empty check-box. Empty check-box. Empty check-box. Checked. Empty check-box. More information.
Apache OpenOffice Checked Empty check-box. Empty check-box. Empty check-box. Empty check-box. web site
axaio software MadeToTag for InDesign Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
axes4 axesPDF QuickFix Empty check-box. Empty check-box. Checked Checked Empty check-box. More information.
axesPDF for Word Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
callas software pdfGoHTML Empty check-box. Empty check-box. Empty check-box. Empty check-box. Checked More information.
pdfaPilot Empty check-box. Empty check-box. Empty check-box. Checked Empty check-box. More information.
CommonLook Clarity / Validator Empty check-box. Empty check-box. Empty check-box. Checked Empty check-box. More information.
Dynamic Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
Office Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
PDF Empty check-box. Checked Checked Checked Empty check-box. More information.
Crawford Technologies Accessibility Express Checked Checked Checked Empty check-box. Empty check-box. More information.
AutoTagger for Accessibility Checked Checked Checked Empty check-box. Empty check-box. More information.
Dante tagPDF (LaTeX) Checked Empty check-box. Empty check-box. Empty check-box. Empty check-box. web site
Datalogics Adobe PDF Library Checked Checked Empty check-box. P Empty check-box. More information.
Eclipse Corporation DocOrigin Checked Checked Checked Checked Empty check-box. More information.
Foxit PhantomPDF Checked Empty check-box. Checked Checked Empty check-box. More information.
Freedom Scientific JAWS Empty check-box. Empty check-box. Empty check-box. Empty check-box. Checked web site
kühn & weyh M/TEXT Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
iText Core Checked Checked Empty check-box. M Empty check-box. More information.
Mimotek Structurizer Checked Checked Checked P Checked More information.
NV Access² NVDA Empty check-box. Empty check-box. Empty check-box. Empty check-box. Checked web site
Nuance Power PDF Checked Empty check-box. Empty check-box. P Empty check-box. More information.
PDFlib GmbH PDFlib 9 family Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
RealObjects GmbH PDFreactor Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
Solimar Systems Accessibility Engine Checked Checked Empty check-box. Empty check-box. Empty check-box. More information.
Visual Integrity PDF Conversion SDK Checked Empty check-box. Checked P Empty check-box. More information.
PDF Custom SDK (Object Data) Checked Empty check-box.  Checked P Empty check-box. More information.
WebSupergoo ABCpdf Checked Checked Checked P Empty check-box. More information.

¹ – PAC is developed by axes4

² – NV Access is a charitable organization maintaining open-source software

Organizations listed in italics are not members of the PDF Association but are included in this listing because they are either assistive-technology providers or developers of free open source software, with products that offer at least partial support for tagged PDF and PDF/UA.

Key to Product Features

Creation: Tagged PDF

The ability to create tagged PDF documents with semantically-appropriate structure elements from a source file or existing untagged PDF.

Creation: PDF/UA

The ability to create PDF documents conforming to PDF/UA (ISO 14289-1:2014).

Remediate

The ability to correct the logical structure tree of a tagged PDF file.

Verify

The ability to confirm PDF/UA conformance based on the Matterhorn Protocol‘s set of checks:

Code Meaning
P Partial, some limited aspects of verification
M All machine checks. Without human verification, machine verification is usually inadequate.
Checked  Complete validation, all checks (machine and human).

Viewer

The product includes an end-user-oriented interactive PDF (or PDF-alternative) viewer that uses tagged PDF to make PDF/UA files available to Assistive Technology.