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.
Musconv might be a bit more popular than Noisli. We know about 1 link to it since March 2021 and only 1 link to Noisli. 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.
I use a website called noisli.com for the background noise. You can give it a try if you would like to. Source: about 1 year ago
MusConv - the easiest way to transfer your music data! https://musconv.com/. - Source: Hacker News / about 1 year ago
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FreeYourMusic - Migrate from and to any music services