Mentis · Free tools

Plagiarism checker.

Two checks, no account. Web: the most distinctive sentences of your text are searched as exact phrases and matching pages are listed with snippets. Own sources: compare against reference documents you paste. That part never leaves your browser.

Web checkOwn sourcesNothing stored

Input

Text to check

Web check

—/8 found

Not run yet

Checks the most distinctive sentences as exact phrases on the web.

Only the listed sentences are sent to the search API — never the full text.

Own sources

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Paste your reference texts below to compare offline.

Text

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Distinctive sentences

What gets searched

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The most unique sentences of your text. Each has a one-click exact-phrase search you can run yourself — nothing leaves your browser until you click.

Compare with your own sources

Local originality

Next step

Checking drafts, tenders or theses at scale?

Embedding-based matching deployed on your infrastructure. Same technology as our KnowledgeRAG platform.