![]() The reflowable modeĪdobe Acrobat Reader provides several preferences options that help make the reading of PDFs more accessible for visually impaired and motion-impaired users. For example, screen reader users can rapidly scan the document jumping from one header to the following (or previous), or navigate tables and lists. The tags provide information about a document structure and the semantic roles of its elements, and this information is recognized by screen readers and delivered to the end users.Ī properly tagged PDF can thus become accessible to Assistive Technology users, whether they’re reading on desktops or using their smartphones and tablets. A tagged PDF has a logical structure that screen readers can use: we can compare this structure to the HTML hierarchy of DOM nodes, the hierarchical structure of Web pages. ![]() ![]() On the other hand, a PDF document can be accessible to blind readers if it is correctly tagged. It can’t adapt to the size of the screen: to read a PDF on a smartphone, it is almost inevitable to enlarge the page and span vertically and horizontally to read the text, which makes reading difficult for many. This format was originally created for printing, which is why it is characterized by a fixed layout. The PDF format is one of the most popular formats for exchanging and reading digital documents, however it sometimes presents several barriers when it comes to accessibility for dyslexics and visually impaired readers. We tested it and, in this article, we explain how it works and what problems it presents for accessibility. One of the latest features of Adobe Acrobat Reader allows to reflow PDFs to improve readability.
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