AII2MP3 is a free utility program that helps users convert audio files to MP3 format. Designed for Mac computers, the software comes with a range of features and supports the conversion of over 50 file formats. Using the application is easy and doesn’t require any tech skills. Moreover, the conversion is quick and doesn’t impact the quality of the audio. Since MP3 files work on almost all apps and devices, it’s a must-have tool for music producers and enthusiasts.