You can search YouTube with your 'YouTube Data API v3' key.
Import Playlist
Spotify

Output
Playlist title
start    length
market 
language 


You must allow pop-ups for this site in your
 browser settings.  

 Please allow the popup of
 "https://preview-fan.com".

For Chrome:
 "chrome://settings/content/popups"

For Firefox:
 "about:preferences#privacy"