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Originality

A free plagiarism checker over Argand's own web index. Paste text, see exactly which sources it matches — span by span, with the receipts.

Anonymous and unretained: nothing you paste is ever stored. This checks originality, not authorship — it is not an AI detector.

0.0 KiB / 100 KiB

Matches are confirmed exact word runs against Argand's own index — never an estimate, never an LLM. "Original" means original with respect to this corpus; a clean result is not proof no source exists anywhere. Short quotes below the detection floor (~16 consecutive words) may not register.