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Plagiarism Checker

Compare your text against reference documents to find matching sentences and get an originality score. Sentence-level similarity analysis runs privately in your browser β€” your text is never uploaded.

Paste one or more sources to compare against. Separate sources with a line containing only --- or name them with === Source name ===.
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Plagiarized
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Flagged sentences
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Matching sentences

Polish your writing first? Try Case Converter β†’ or Word Counter β†’