noplagApache 2.0

Help, guides, and the open engine.

Documentation for the hosted product and the open-source engine — search it, browse it, or ask.

Popular:Reading a reportSelf-hosting guideFAQAPI referenceChangelog
PRODUCT HELP

Using Noplag

Run checks, read reports, manage folders, billing, and how your data is handled in the hosted product.

Browse all product help
DEVELOPER / SELF-HOST

Run the engine yourself

The detection engine is open source (Apache-2.0). Install it, feed it your own corpus, and build on its API.

Browse the developer docs
POPULAR ARTICLES

Answers people reach for first.

GETTING STARTEDCreate an account and run a first checkWhat Noplag detects — honestlySupported file types and limitsWhat the free plan includes
REPORTS & SCORESWhy is my similarity score high?Match sensitivity and quote filtersViewing a match in its original contextSharing a report with a link
SELF-HOSTINGThe docker compose quickstartSecuring an unauthenticated instanceCorpus sizing and ANALYZEFingerprint tuning knobs
ASK AI

Ask the docs.

Streamed answers with sources, scoped to this documentation — and honest about what's shipped versus what's on the roadmap.