How to Edit the Structural Reading Order of a Tagged PDF Without Stripping Existing Accessibility Metadata
A properly structured PDF assigns each piece of content, headings, paragraphs, images, and tables, to a position in a logical content tree managed by...
How to Set the Reading Order of a Tagged PDF for Screen Readers
A screen reader reads a PDF aloud in a specific order, moving through the document element by element.
What Is the Difference Between PDF/UA and WCAG Accessibility Standards
Two acronyms appear frequently in discussions about document accessibility: PDF/UA and WCAG.
How to Set Microsoft Word to Always Create Tagged, Accessible PDFs by Default
Every time you export a Word document to PDF, you need to remember to check a box in the Options dialog to create tagged, accessible output.
How to Add Alternative Text Descriptions to Images in a PDF
A screen reader opens your PDF and encounters an image. If that image has alternative text, or alt text, the screen reader speaks the description...
Why Does PDF Text Appear in the Wrong Reading Order for Screen Readers
A colleague who uses a screen reader opens your PDF and hears the third paragraph before the first heading.
How to Check If a PDF Meets Accessibility Compliance Standards
A PDF that meets accessibility standards works for everyone who needs to read it, including people using screen readers, keyboard navigation, braille...
Can You Convert a PDF Into a Speech Audio File for Listening
Yes, you can convert a PDF into a speech audio file for listening, but the conversion path goes through text extraction first.
What Is PDF/UA and Who Needs to Follow It?
PDF/UA — where UA stands for Universal Accessibility — is the ISO standard (ISO 14289) that defines what a fully accessible PDF looks like.
How to Convert a PDF to an Audiobook
Converting a PDF to an audiobook — a listenable audio file — makes document content accessible while driving, exercising, or doing tasks where...
How to Make Text Selectable in a Scanned PDF
A scanned PDF shows text you can read with your eyes but can't click, select, copy, or search.
What Is PDF Tagging and Why Does It Matter?
PDF tagging is the structural backbone of an accessible PDF. A tagged PDF contains hidden metadata describing what every element on the page is —...
PDF Reading Order: Why It Matters for Accessibility
Reading order is one of the least visible aspects of a PDF — and one of the most important for accessibility.
What Is OCR and How Does It Work With PDFs?
OCR stands for Optical Character Recognition. It's the technology that reads text from images — including scanned documents, photographs of pages,...
What Makes a PDF Accessible — and Why It Matters
An accessible PDF is one that can be used by everyone — including people who are blind or have low vision, people who use screen readers, and people...
The Problem With Screenshot-Based PDFs
Taking a screenshot and saving it as a PDF sounds like a quick way to capture something. For a single image it works fine.
How to Make a PDF Accessible for Screen Readers
A PDF that looks perfectly formatted on screen can be completely unreadable to someone using a screen reader.
