Detect — Nota, with the error rate attached

Samples:

0 words · minimum 250

Choose your scans

Nota AI scanHow machine-like the text reads — with the error rate

Character checkHidden characters, look-alike letters and watermark carriers — free, on every scan

Nota Source check betaFinds the pages this text matches on the open web · Individual and up

Keep the document in my recordOff: your account stores only the hash and the numbers. On: the signed record in your history carries the text, so its PDF is complete later.

Source check returns pages and matched spans — never a plagiarism verdict. The record you download right after a scan always contains the document either way.

The result lands here

What this model thinks, in a sentence — with its band
AI-likeness 0–100 — resemblance, never % of authorship
The measured false-positive rate beside every score
Twelve writing measurements as evidence, never averaged in

Abstains under 250 words. Pasted text is discarded by default.

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