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Basically, you can choose some slides from an opened .tex file to copy. It also has the function to see which graphics files are included in the selected files, so you know which ones to copy.
Here is the Github link: https://github.com/Atreyagaurav/beamer-quickie
The PDF pages are shown using the SyncTeX (if available) so that you can visually choose the slides as long as there is a single .tex source file, (might still work without synctex for simple cases).
I've made it on Linux, so it hasn't been tested in windows. You probably will need to compile gtk on Windows if you want to make it work. So if someone is really interested let me know, I can give instructions. Even in linux you'll need to install dependencies.
