Viper, the plagiarism checker that's accurate, easy and free...

Checked your essay for plagiarism?

To avoid plagiarism, you should always reference correctly according to your institution's guidelines and use Viper. Viper is fast becoming the plagiarism checker of choice, rising over and above other plagiarism checkers, with over 10 billion resources scanned and an easy interface which highlights potential areas of plagiarism in your work. Best of all, it's free!

Got an essay ready to hand in but need it checking over first?
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Essay writing services

Our friends over at have a wide range of services to help students with their academic studies. These include a full essay writing service and their popular marking and proofreading service.

It's the anti-venom to plagiarism...

Universities have ever tightening rules on plagiarism, and Viper is all about giving you a free service that guarantees your peace of mind.

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