Add All Videos Musics of a Youtube Channel To Spotify


There is a youtube channel with more than 50 videos

https://www.youtube.com/c/ChilledCow/videos

I wanna add these music to my spotify

soundiiz.com recomended for this. but soundiiz works with youtube playlist
i cant find how add all 50 videos of this channel to playlist

or forgetting soundiiz, is there a way to add these musics to my spotify?

Best regards