PDF/A validator

Check whether a PDF conforms to PDF/A, the ISO standard for archiving documents. The check runs veraPDF, the open-source validator of a consortium led by the Open Preservation Foundation and the PDF Association. No account needed.

"Detect from the file" checks against the PDF/A part and level the file declares in its metadata, and against PDF/A-1b when it declares none. The file is not stored.

A check here counts like one API call: 2 credits.

Automate this with one API call that returns veraPDF's full report: see veraPDF as an API. A free account with an API key gets 10 free credits a day plus 100 a month.

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To check accessibility (PDF/UA), use the PDF accessibility checker.