You can improve the quality of the converted music by. Additionally, it can remove Spotify’s DRM and convert tracks to MP3, FLAC, WAV, or M4A. The app facilitates the highest quality conversion of Spotify music and playlists. In this case, the limits are 10,000 songs across 5 devices. TuneFab is a powerful, flexible music converter that works with Spotify’s free and paid versions. This is so the Spotify app can confirm you still have an active subscription, and therefore have rights to the downloaded songs. If you find you can't download everything, you may need to create some more selective playlists and download those using the instructions above.
Like on-device formats, Spotify's high-quality audio requires a non-trivial amount of storage. If you're simply enjoying the free offering (you'll know if you are if you hear advertisements), you'll need to upgrade to Spotify Premium in order to utilize this feature.
First and foremost, downloading your playlists for offline listening requires a Premium account.