07-27-2021, 06:34 AM
At worst you can reopen the image in Gimp and check the image metadata there. Otherwise many image viewers can show you the metadata (but to recommend any we would have to know your operating system).
Data not saved is data lost, so I would say that the question is more when to explicitly not save it: if it contains personal data and you publish it.
Data not saved is data lost, so I would say that the question is more when to explicitly not save it: if it contains personal data and you publish it.