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Creating the Document Structure with Auto Tags

Nitro PDF Pro for Windows

Auto tags provide an initial structure for a PDF document. When auto-tagging is applied, Nitro PDF Pro analyzes the document and automatically generates a tag structure. 

After auto-tagging is completed, the resulting structure must be reviewed and adjusted manually to ensure accuracy. 

Before you start 

  • Verify whether the document already contains a tag structure 
  • When auto-tagging is applied, existing tags are removed and replaced 
  • This action cannot be undone. To preserve existing tags, use manual tagging instead. 

Create a document structure using auto tags 

  1. Open the PDF in Nitro PDF Pro 
  2. Select Accessibility > Auto tag 
  3. If the document already contains tags, select Yes to overwrite them 
  4. Review the generated tag structure in the Tags panel 
  5. Save the document:  
  • Select Save in the top bar, or  
  • Press Ctrl+S

 

Last updated: June 2026