Check Tagging
Report whether PDFs are tagged and which PDF/UA and PDF/A versions they declare, one file or a whole folder — free.
Tagging and Conformance at a Glance
Check Tagging reports whether each PDF is tagged — the first requirement for an accessible PDF — and which PDF/UA and PDF/A versions it declares, for one file or a whole folder with a CSV report.
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Try it free in your browser first
These free online tools do the single-file version of what Check Tagging automates in bulk:
Built on the Adobe PDF Library — the same engine as Adobe Acrobat.