Plagius - Plagiarism Detector is a plagiarism checker software that analyzes documents thoroughly for occurrences of suspected plagiarism. It is a tool that came to help and improve the level of academic work, as even fans of the 'copy and paste' will have the opportunity to remake and legitimize their work by a previous analysis in Plagius. Plagius - Plagiarism Detector examines documents of various formats (Word, PDF, OpenOffice, HTML, plain text...) and displays detailed reports, informing the references found, the frequency of occurrences on the Internet and the percentage of suspected plagiarism. The main advantages of Plagius compared to other tools for detecting plagiarism are: simplicity of operation, performance, speed and efficiency.