Tagged PDF
PDF containing semantic tags for structure and assistive reading.
Definition
Adds machine-readable document hierarchy.
Why it matters
Foundation for accessibility and reflow support.
Related PDFHQ workflows
Use this concept when optimizing, converting, validating, or troubleshooting document workflows.
Related Knowledge
Structural markup used to represent document semantics.
Design and document practices enabling equal access for all users.
PDF/UA is an accessibility-focused PDF profile aimed at usable documents for assistive technologies.
Logical sequence assistive technologies use to read document content.
Tagged PDF hierarchy that defines semantic structure like headings and lists.
Text alternative that describes meaningful non-text elements like images.
Decorative/non-semantic PDF content excluded from logical reading order.