Skip to main contentSkip to site search MP3 Splitter & Joiner is a MP3 audio editor. It can split, cut, trim a large MP3 file into multiple smaller pieces or join, merge multiple MP3 files to a larger one. Magic Audio Joiner is a software utility that is designed to allow you to combine multiple audio tracks into a single audio file. Direct MP3 Joiner is an easy and fast audio tool to combine MP3, merge or join MP3 files. With Direct MP3 Joiner, you can join multiple music MP3 files to one larger MP3 file in just a second.