We often need to cut MP3 files for various reasons. Maybe we want to make a ringtone from a favorite song, cut a part of a beautiful song and add it into our vlog as BGM, etc. This article intends to show how to trim MP3 files on Windows 10 easily and perfectly in 2 ways - one is to use a third-party tool called Joyoshare Media Cutter, and the other is to use Windows Media Player.