Is there a free program that removes duplicate photos from a folder?

I have a folder with a lot of photos, some of which are duplicates. I want to remove those as to reduce the size of this folder, but it would be a ton of work to do it manually. Do you know a software for Windows that would do that for me? I found a bunch, but all of them require you buy their PRO version in order... show more I have a folder with a lot of photos, some of which are duplicates. I want to remove those as to reduce the size of this folder, but it would be a ton of work to do it manually.
Do you know a software for Windows that would do that for me? I found a bunch, but all of them require you buy their PRO version in order to delete the files.

Thanks.
5 answers 5