https://www.crossref.org/services/similarity-check/
Similarity Check - Crossref
similarity checkcrossref
https://intercom.help/iqualify/en/articles/5947108-similarity-check-for-essays-and-file-uploads
Similarity check for essays and file uploads | iQualify Knowledgebase
Learners whose courses have Turnitin enabled for some or all of their tasks can find out how it works in this article.
similarity checkfor essaysfile uploadsiqualifyknowledgebase