I’m organising my Flickr photos and want to find the easy way to remove duplicate photos that are already in or outside albums. Flickr does not offer the simple tool to work on this task. After searching for a while, there is Flickr Dup Finder 2. It’s a simple tool to search for duplicates and remove them. It’s utilising Flickr’s API and it works really good. At least for now, I already found more than 1,600 duplicate photos.