What is “youtube-dl” Package?

Download YouTube videos from the command-line
For more details: https://rg3.github.io/youtube-dl/

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install youtube-dl.

  brew install youtube-dl

Now, use youtube-dl!