How to Download YouTube Videos on iPhone via Siri Shortcuts (Guide)
This Shortcut Lets You Download YouTube Videos on Your iPhone Straight from the Source, No Shady Services Needed « iOS & iPhone :: Gadget Hacks
Not sure if it has been shared here already, but you can download any audio/video from youtube or more than 1000 websites using siri shortcuts and a-shell mini. : r/shortcuts
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