a tool to automatically find duplicate files
It would be helpful if there is a feature on SharePoint online that would show duplicate files automatically and have the option to check the files and remove the duplicate ones.
I'd also love to see this embedded into document upload. Not just the basic identification of files with the exact same name but why not leverage the AI algorthms being employed by Sharepoint Search to identify potential duplicates through full text indexing? This technology is already there in search. Please open up this potential to be used by site owners, administrators to run reports accross a set of Sharepoint sites or a site collection and please open up this power also to end users to use on upload to identify potential duplicates.
I think this improvement would also support your requirements: