What is iThenticate?

iThenticate is the leading provider of professional plagiarism detection and prevention technology used worldwide by scholarly publishers and research institutions to ensure the originality of written work before publication. iThenticate helps editors, authors and researchers prevent misconduct by comparing manuscripts against its database of over 60 billion web pages and 155 million content items, including 49 million works from 800 scholarly publisher participants of Crossref Similarity Check powered by iThenticate software. iThenticate is developed by Turnitin, the leader in plagiarism and originality checking for educational institutions worldwide.

Built for Professional Writers

While iThenticate and Turnitin share the same underlying technology and database contents, the design, user experience and outcome are designed to meet the needs of two very different types of users. Turnitin is designed for students in a classroom setting. iThenticate is designed for academics and researchers who need to organize and share their work in a folder-based system similar to Google Docs. iThenticate is designed for speed and ease-of-use so that academic researchers can quickly upload, check and examine documents in just a few minutes. iThenticate is accessed through a web-based interface and requires little to no training. iThenticate helps researchers share documents and collaborate as groups. In-depth analytics provide visibility into content submissions and levels of originality over time.

Compare iThenticate with TurnItIn

Who can request an iThenticate account?

This tool is for Instructors and Graduate Students. If you are an undergraduate student and would like a tool to review your work, typically Turnitin access is provided through your courses at the instructor’s discretion. If you have a special case, please have your instructor contact us at elearning@tcu.edu.


Getting Started

  1. Submit the form to Request an iThenticate Account.
  2. When you receive your account info, login to iThenticate.com.
  3. Review the Get Started guide/video.
  4. Sign up for a webinar and review how-to videos, documentation, and FAQ.

Getting Help

File Types and Size

The file may not exceed 400 pages and the file size may not exceed 40 MB. iThenticate currently accepts the following file types for document upload:

  • Microsoft Word® (DOC and DOCX)
  • Word XML
  • Plain Text (TXT)
  • Adobe PostScript®
  • Portable Document Format (PDF)
  • HTML
  • Corel WordPerfect® (WPD)
  • Rich Text Format (RTF)