youtube dl download as mp3 code example

Example 1: youtube-dl mp3 only

youtube-dl -x --audio-format mp3 <youtube-link>

Example 2: how to use youtube dl for mp3

youtube-dl -x --audio-format mp3 https://www.youtube.com/watch?v=jwD4AEVBL6Q

Example 3: youtube dl download playlist mp3

youtube-dl --extract-audio --audio-format mp3 -o "%(title)s.%(ext)s" <url to playlist>

Example 4: youtube-dl download audio

youtube-dl -F http://www.youtube.com/watch?v={video ID}  to get available audio
then
youtube-dl -f {number of available audio} http://www.youtube.com/watch?v={video ID}