Plagiarism Checker for Research Papers & Journals

With access to over 16,000 online journals ranging from medical, engineering, science, and everything in between, the Copyleaks plagiarism checker for research papers and journals works hard to protect you and your work.

Research Journal

Protect Your Work From Research Plagiarism

Our AI-powered software quickly and efficiently scans trillions of pages for plagiarism in multiple forms, including paraphrasing. You can even compare previously published work against the vast array of data available on the internet and contained within our database. After each scan, we provide you with a thorough, interactive report containing the exact website URL, percentage of similarity, highlighted passages, and more.

So whether you’re the editor of a research journal or a graduate student working on your dissertation, Copyleaks plagiarism checker for research papers and journals has you covered.

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Clear, Interactive Similarity Reports

You will get a clear, comprehensive, and fully interactive similarity report for every scan. Even after the report is generated, you can customize the report to see only the relevant information and a side-by-side comparison that shows a full breakdown of identical, similar, and paraphrased text. Plus, you can choose to share the plagiarism findings report.

Research Plagiarism Checker Features

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You’re fully covered. To detect different levels of content authenticity and ownership, including paraphrased content, we scan trillions of pages of original content within our database, along with:

  • 16,000+ academic journals
  • 60 trillion+ websites
  • 1M+ internal documents
  • 20+ code data repositories

Speed & Efficiency

Don’t expect to be waiting around for your results. Copyleaks performs up to 300 scans per second while maintaining an unparalleled level of accuracy, with an average turnaround time of less than a minute.



We put the power in your hands so you can customize your experience to suit your needs

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Including Code

Do you have content in multiple languages? No problem! The Copyleaks plagiarism platform can detect plagiarism in over 100 languages and over 20 source code languages.

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All data and assignments uploaded are not submitted to any third party for comparison. We ensure safety with cloud-based system architecture, military-grade 256-bit encryption with SSL connection, and 100% data transferred using secure channels (HTTP).

Why Copyleaks?

We are the only solution that can detect paraphrasing in multiple forms.

We are the only platform that can detect plagiarism in source code.

We’re the only platform that can detect image-based text plagiarism using OCR technology.

Copyleaks is the only platform that can expose attempts to deceive detection software.

Copyleaks is the only platform with a dedicated Customer Success Team

Detect Plagiarism In Seconds with Copyleaks

Get started with the Copyleaks plagiarism checker for free today!