https://www.youtube.com/watch?v=utGummqR9B0&t=89stl;dr all images sent to you or put in a discord server (including profile pictures and emotes and DELETED IMAGES) in discord's cache
to get to it, do the following:
1. get git bash (free downloadable console prompt with more features)
2. enable hidden folders
3. local disc (C:) > Users > [computer username] > AppData > Roaming > discord > Cache
4. right click inside of cache and click 'git bash here'
5. paste the following command into git bash:
for x in *; do mv "$x" "${x%}.png"; done
6. all files in the cache should be turned into png files
7. hope that you dont find something illegal in there