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Guide2026-03-225 min read

Making PDFs Accessible — A Complete Guide

Why PDF Accessibility Matters


Over 1 billion people worldwide live with some form of disability. Accessible PDFs ensure everyone can access your content, and in many jurisdictions, it's legally required.


Key Accessibility Features


1. Document Structure

  • Use headings, lists, and tables properly
  • Add bookmarks for navigation (Add Bookmarks)
  • Include a table of contents for long documents

  • 2. Alternative Text

  • Add alt text to all images
  • Describe charts and graphs in text

  • 3. Reading Order

  • Ensure logical reading order matches visual layout
  • Use Reorder Pages to fix page sequence

  • 4. Text

  • Use real text, not images of text
  • OCR scanned documents (OCR)
  • Minimum 12pt font size recommended

  • 5. Color

  • Ensure sufficient contrast
  • Don't rely on color alone to convey information
  • Color Adjust to improve contrast

  • PDF/A for Archiving


    PDF/A is an ISO standard for long-term archiving.

  • Validate PDF/A to check compliance
  • PDF/A Conversion to convert existing PDFs