VeriGuide is a text similarity detection system designed for preventing plagiarism, and for promoting and upholding academic honesty in the academic community. The system supports English, traditional and simplified Chinese languages. The system provides a user-friendly web interface for class assignment management and submissions. It can handle documents in different formats including Microsoft Office, Acrobat PDF, OpenOffice, HTML, plain text, and zip archive. Submitted documents are compared among one another, with other documents in the central database, and with the Internet. Output from the system is an originality report highlighting suspected plagiarized contents, and giving detailed analytic and statistical data. Interested parties can obtain a trial account by visiting this link: http://www.veriguide.org/register.