I was looking for some simple tools for clone detection in pictures – unfortunately or luckily – there is no single button solution in 2020.
Maybe there are also situations where some some individual adjustments are needed where I move to Affinity like in the following picture.
For text plagiarism check, it probably needs some paid service: docoloc, Plagscan or Turnitin (services compared …)
For simple text comparison I use BBEdit while for PDF comparison I suggest Copyleaks.
“There is currently worldwide concern over corruption in education. This concern touches all Member States and all levels of education” according to the European Counsil. Academic integrity is a major issue that needs much more attention.