TxtTool › Plagiarism Checker

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.