There's already a bunch of websites that do this if they can't use youtube-dl -- why are they messaging you when they can literally go to one of these sites and paste the URL in to get the video?
If you’ve trained a computer illiterate person well, they will not go to sketchy ad-ridden websites and download files to their PC and double click them.
Name 1 which works flawlessly. No ads. On a side note, is it possible to port this CLI program to Android or web? My mom needs a downloader and the Firefox ext which I used till now , doesn't work all the time.
install termux, install youtube-dl, define a "handler"-script, share the link with termux