Online Plagiarism and AI Detector by Viper

Welcome to Viper - a leading online tool that accurately detects plagiarism and AI-generated content. With its powerful features, Viper helps students, teachers, schools, colleges, universities, and professionals ensure document originality and detect AI-written text.

We're trusted by thousands around the world to verify document authenticity every day, and we can help you too!

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Start checking today!

Powerful features

With its easy-to-use interface and highly detailed scanning process, it only takes three simple steps for Viper to review your document for plagiarism and produce a full report.

  • Upload

    Simply upload your document using the Viper online app to check for plagiarism and AI-generated content against 10 billion sources.

  • Scan

    Viper scans your document thoroughly, comparing it with essays, journals, internet sources, and known AI-generated content.

  • Compare

    You receive a clear and concise originality report, highlighting exactly where your document matches existing or AI-generated content.

  • Pay as you go

    No subscriptions or monthly plans; simply buy credits when needed to check your work.

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Thousands of happy users

Don't take our word for it; let our users explain exactly how our plagiarism and AI detection tool has helped make their lives simpler and more productive!

Viper is so accurate at detecting plagiarism and AI-generated content that we now use it to verify our own writers' work. Every essay provided by our essay writers is rigorously checked against online resources, journals, AI-generated sources, and all previous submissions via Viper. Even detailed projects from our dissertation writing service can be swiftly and confidently checked for originality and authenticity.