Signed up 397 days ago
I believe hack.chat is your solution, mainly because of its simplicity and ease of access
I believe Yandex image search indexe thumbnails from YouTube clips, I know this doesn't fully folve the issue but it's a good starting point.
What you are looking for is called a "Memex"
See the following example (at 22:55) https://youtu.be/DFWxvQn4cf8