For Smooth and easy transferring Music or you can say playlist, you can use Musconv. https://musconv.com/ One of the best tool i know.
eSound might be a bit more popular than Musconv. We know about 1 link to it since March 2021 and only 1 link to Musconv. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
MusConv - the easiest way to transfer your music data! https://musconv.com/. - Source: Hacker News / about 1 year ago
Goto the URL opera://flags/#sidebar-site-panel, enable the flag, restart Opera, click the 3 dots at the bottom of the sidebar, scroll down to "Custom Site Panels" and add the URL for the site (whatever URL you get after logging into https://esound.app/ in a tab I assume). Then, you'll have eSound as a separate panel. It won't be added to the player panel, but should work fine as its own panel. Source: about 2 years ago
Soundiiz - Transferring playlists between various music streaming platforms.
Spotify - Map shows when two people play same song at same time
Tune My Music - Transfer Playlists Between Music Services
Tuneer.net Music Bot - Music Bot is a chatbot designed to scan the web and find music content that users are interested in before delivering the information through Telegram or Facebook Messenger.
Mooval - Moving playlists between streaming platforms.
Jango - Jango internet radio is all about making online music free, easy and fun.