SEO plagiarism checkers

Plagiarised content can give off negative signals about your overall site quality. That's why if you're getting content written externally, the occasional plagiarism spot-check helps ensure your content is all original.


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Paid
KillDuplicate Screenshot
Plagiarism checker
Web-based
KillDuplicate protects your website against duplicate content and offers solutions to fight against theft and duplicate content.
Free
SmallSEOTools Screenshot
Link auditing, Meta Optimisation, Plagiarism checker, Site Auditing
Web-based
You need effective SEO tools which are 100% free? Check out our Search Engine Optimization tools for checking backlinks, tracking keyword positions and more.
Freemium
Copyscape Screenshot
Plagiarism checker, Site Auditing
Web-based
Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your text is original.

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