Youtube Video & Playlist Download

youtube-dl

Mac:

sudo wget https://yt-dl.org/downloads/latest/youtube-dl -O /usr/local/bin/youtube-dl

sudo chmod a+rx /usr/local/bin/youtube-dl

Linux:

apt-get install youtube-dl

Download Best Video quality

youtube-dl -f 22 "http://www.youtube.com/watch?v=P9pzm5b6FFY"

Download all subtitle as vtt

youtube-dl --all-subs -f 22 "http://www.youtube.com/watch?v=P9pzm5b6FFY"