Pre-Note: I'm not perfect by any means, but I just wanted to organize this on my own and I'm trying to do it right. I've eliminated most useless outdated info and tried to correct many errors on descriptions. :>
Note: This is all almost full YouTube ID informations. Original owner goes to AgentOak, and thanks for most updates to Martin Eesmaa and the incredible internet community. :>
See the credits and also special thanks in below.
Last updated: 27 October 2025
Also known as itag or format codes and way back they could be specified with the fmt parameter (e.g. &fmt=22).
Depending on the age and/or popularity of the video, not all formats will be available.