PDF authenticity checker. Spot edits, fakes, and forgeries
HTPBE analyzes PDF metadata to detect post-creation modifications — without opening the file in any editor.
Upload a PDF and get a verdict in seconds: INTACT, MODIFIED, or INCONCLUSIVE. The analysis runs 9 detection layers covering metadata timestamps, digital signatures, xref structure, embedded content, font consistency, and more.
Key features:
Built for lawyers, accountants, HR teams, and anyone who receives PDFs they didn't generate themselves.
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