Soundiiz is able to import playlist as file, that's the solution we will use to import to Soundiiz or any other music service your iTunes playlists.

Using share URL iTunes

1. Open your iTunes software
2. Go to playlist you want to export, click on ... > Share Playlist > Copy Link
3. On Soundiiz, select iTunes in platforms list
4. Paste the shared link iTunes and confirm

Using export playlist as file iTunes

1. Go to your iTunes software
2. Find your playlists and select File  > Library > Export Playlist
3. Choose the .txt format
4. Save your playlist file
5. On Soundiiz, select iTunes, upload the file and confirm