Plagiarism Scanner

Important! If you are already a writer for Academic Knowledge, please login and use the plagiarism scanner that has been set up especially for you.

Do not download and use this version of the scanner if you are an Academic Knowledge writer.

New to Viper?

To scan your essays for plagiarism against online resources, all you need to do is install Viper!

Viper – our easy, accurate and FREE anti-plagiarism tool will check your essay for plagiarism against 10 billion resources. 

You’ll see a side-by-side report comparing potential plagiarism in your work against the original source – and best of all, it’s 100% FREE.

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Free plagiarism scanner

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Check your work is 100% free from plagiarism!

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But why use our plagiarism checker and not Turnitin?

Viper, unlike Turnitin (and many other plagiarism checkers), is 100% free – you can scan unlimited documents and there’s no word count limit! 

Check out Viper’s other features:

Viper plagiarism scanner