PDF Accessibility Checker

Check machine-detectable PDF/UA issues and separate them from manual review. A passing check is not an accessibility certificate.

A better PDF starts here.

Drop your PDF here, or choose a file. We’ll help you see what needs attention.

PDF files up to 100 MB

Your original PDF is not changed. Privacy & file handling

How to use this tool

  1. Choose a PDF and the appropriate PDF/UA profile.
  2. Run the check and review the reported rules and affected locations.
  3. Complete the separate human-review checklist before drawing a conclusion.

Example

Check whether a document declares its language, then manually review reading order.

Supported formats

PDF → JSON report, Text report

Limits and review

Check machine-detectable PDF/UA issues and separate them from manual review. A passing check is not an accessibility certificate.

Keep your original and check the result. Automated checks do not replace human review or certify legal compliance.

Privacy

Files are not saved as a processing history. Server tasks use temporary folders with cleanup on completion, failure and cancellation. Infrastructure retention is not certified.

Privacy

Frequently asked questions

Is registration required?

No. These tools are free to use without creating an account.

What can this tool do, and what are its limits?

Check machine-detectable PDF/UA issues and separate them from manual review. A passing check is not an accessibility certificate.

How are my files handled?

Files are not saved as a processing history. Server tasks use temporary folders with cleanup on completion, failure and cancellation. Infrastructure retention is not certified.

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