Plagiarism Resource

Research Papers & Journals

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

Detect Plagiarism In Published Work

As a research scholar, you are responsible for ensuring that your research is original. Even accidental or unintentional plagiarism can irreparably damage your career. This means you need a plagiarism checker for journal articles, papers, and book chapters. 

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. 

Simply upload your work to the research paper checker and complete your scan. After each scan, we provide you with a thorough, interactive report containing the exact website URL, percentage of similarity, highlighted passages, and more.

Our powerful tool can perform a plagiarism detection for papers of any length or complexity. This means that if you need to check a course or conference paper, or are looking for a comprehensive plagiarism checker for paper publication, Copyleaks offers the features you need to protect yourself and your work.

So whether you’re an academic, 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.

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​


Unparalleled Search​

You’re fully covered with our plagiarism checker for papers and articles. 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

Unmatched 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.

Multiple Languages

Multi-Language 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.



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).


Get Detecting

Get a detailed plagiarism report generated by our website plagiarism scanner to find your duplication or similarity percentage. The report shows the similarity percentage and a complete list of results that you can compare against your original document. The similarity level is broken down by identical, similar, and paraphrased text to see how similar the text is to your original content.

Fully Customizable​

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

Why Copyleaks

Detect Plagiarism in Seconds With Copyleaks