Not sure if this posting is allowed, if not you can remove it.
Just came across a great app, https://freeyourmusic.com/ (free for 100 tracks at the time).
It transfers playlists between different sources, like from Spotify to Qobuz or vice versa. As for me the selections/playlists from Spotify are mostly much better then those from other suppliers. With this tool I can combine the best of both worlds.