How do you make a PDF accessible?
Saving a PDF from Word or InDesign is not enough to make the document accessible. An accessible PDF requires a smart structure, the right technique and a final check. This ensures that everyone can use the information properly, including people who rely on assistive software such as a screen reader.
The 7 most important elements of an accessible PDF
1. Use headings
Work with clear headings and subheadings. This creates a logical structure that both readers and assistive software can navigate easily.
2. Ensure a correct reading order
The content must be read out in the right order. This often goes wrong, especially in documents with columns, tables or text boxes.
3. Use tags
Tags indicate what each element in the document is: a heading, paragraph, list or table. Without tags, your PDF lacks the technical foundation for accessibility.
4. Add alt text
Images that convey information need alternative text. This allows someone who cannot see the image to still understand the content.
5. Build tables properly
Use clear column headers and a logical layout. Avoid tables that exist only for visual formatting.
6. Add metadata
Think of a clear title, language setting and document properties. This helps software interpret the document correctly.
7. Mind contrast and readability
Text must have sufficient contrast with the background. In addition, choose easily readable font sizes and a calm layout.
Common mistakes
In practice, accessible PDFs often fail because of a few recurring mistakes:
- exporting without a final check;
- images without alt text;
- not using headings;
- loose text boxes without structure;
- unclear tables.
A document can look perfectly fine visually, yet still be technically inaccessible.
Working smarter with automation
Manual checks take time, especially when you manage many documents. With tooling such as Promnis, many checks can run automatically.
Think of flagging missing tags, an incorrect reading order or missing metadata. This lets you work faster, more consistently and with less chance of errors.
Conclusion
An accessible PDF does not happen by itself. With attention to structure, technique and checking, you make documents usable for everyone. Set this up smartly and you save time while raising quality.