M3U is a playlist text file with a list of MP3 files, so you cannot simply convert a M3U file to an MP3, they aren't really compatible. Instead, you can open the file in a text editor and download the ...

iOS: You know what’s easy? Sending your friend an audio file via iPhone text message. You know what’s not easy? Listening to that audio file via iPhone text message. Well, there’s a better way.