Plagiarism Checker
Paste two texts below to compare them for similarity. All processing happens in your browser.
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Frequently Asked Questions
How does the plagiarism checker work?
It compares two texts using n-gram (word sequence) analysis and calculates a similarity percentage based on matching phrases found in both texts.
Is this plagiarism checker free?
Yes, completely free with no signup. All processing happens locally in your browser — your text is never uploaded.
Is my text stored on any server?
No. Everything runs client-side in JavaScript. Your text never leaves your device.