Plagiarism detection or content similarity detection is the process of locating instances of plagiarism or copyright infringement within a work or document. The widespread use of computers and the advent of the Internet have made it easier to plagiarize the work of others. [1][2], The AI-paraphrased abstracts were examined for plagiarism using QueText and for AI-generated content using Originality.AI. The texts were then re-processed through an adversarial software called Undetectable.ai in order to reduce the AI-detection scores., Turnitin is an Internet-based plagiarism-detection service run by iParadigms. Universities, schools, and professional researchers and writers submit documents to Turnitin's websites, which check the writing for originality against a comprehensive internet crawler, a database of proprietary content, and prior submissions., Pages in category "Plagiarism detectors" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes., Unicheck (previously known as Unplag) is a cloud-based plagiarism detection software that finds similarities, citations and references in texts. Unicheck is primarily used in K-12 and higher education, and is utilised by more than 400 institutions worldwide. The tool is also used as a stand-alone checker by individual users like writers, editors, bloggers and lawyers. [1], PlagTracker is a Ukrainian -based online plagiarism detection service that checks whether similar text content appears elsewhere on the web. [1][2] It was launched in 2011 by Devellar. PlagTracker is used by content owners (students, teachers, bloggers, researchers) to detect cases of "content theft", in which content is copied, without the permission of the author or owner, from one site to .