Is this an official validation?

No: it looks for the most common causes of non-conformance, not every rule in the standard. For a full validation, use veraPDF, the reference validator — free as well.

My PDF fails: what now?

The “Convert to PDF/A” tool fixes most of these problems and tells you which remain.

Is my file uploaded anywhere?

No — it all happens in your browser.

Check PDF/A

Does this PDF claim to be PDF/A, and what would keep it from being so? The check covers the most common problems, in your browser.

Your files never leave your browser. Nothing is uploaded, anywhere.

Drop your PDF here

No limit on file count or size — only your computer’s memory.

How it works

Drop in the PDF.
Read the check.

Questions

Is this an official validation?: No: it looks for the most common causes of non-conformance, not every rule in the standard. For a full validation, use veraPDF, the reference validator — free as well.
My PDF fails: what now?: The “Convert to PDF/A” tool fixes most of these problems and tells you which remain.
Is my file uploaded anywhere?: No — it all happens in your browser.