Check a PDF for Tampering
Find out whether a PDF was edited after it was issued — incremental saves, mismatched fonts, re-encoded pages, and metadata that contradicts itself.
Find out whether a PDF was edited after it was issued — incremental saves, mismatched fonts, re-encoded pages, and metadata that contradicts itself.
Examine whether a PDF was altered after it was issued. The check reads the file's own structure — appended save revisions, a producer that contradicts the creator, modification dates earlier than creation dates, individual pages re-encoded as flat images, typefaces that appear on only one page, and leftover editor annotations. Useful before accepting a salary slip, bank statement, invoice or certificate at face value. Runs entirely in your browser.
A clean result is not proof that a document is genuine, and a flagged result is not proof of fraud. Treat it as a signal to look closer.
Also searched as: check if pdf is edited, pdf tamper check, detect fake pdf, verify pdf authenticity.
No. Check a PDF for Tampering runs as JavaScript inside your own browser tab. Your file is read from your device into browser memory and the result is saved back as a download, so nothing is transmitted.