Does this check against the internet?

It checks for internal self-similarity within your text. For external web comparison, we recommend Copyscape.

Is there a word limit?

No — check documents of any length.

Yes, completely free with no account needed.

Is it safe to paste my content here?

Yes — everything runs in your browser, nothing is sent to a server.

Free Plagiarism Checker — Detect Duplicate Content Online

Our free Plagiarism Checker scans your text for repeated phrases, duplicate sentences, and self-plagiarism patterns. Paste your essay, article, or any written content and get an instant similarity report highlighting repeated sections. Perfect for students checking essays before submission, content writers verifying uniqueness, and professionals reviewing documents. The tool runs entirely in your browser — nothing is uploaded or stored. Get a clear percentage score and see exactly which phrases are flagged.

✦ FreeNo sign-upBrowser-onlyNo data uploaded

Detects 3–5 word repeated phrases. Checks internal repetition, not web sources.

How to use the Plagiarism Checker

Open the tool — Visit this page in any browser. No account, download, or installation required. Works on desktop, tablet, and mobile.
Enter your content — Our free Plagiarism Checker scans your text for repeated phrases, duplicate sentences, and self-plagiarism patterns.
Get your result instantly — All processing happens in your browser. Copy, download, or share your result immediately. Your data never leaves your device.

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