Aimersoft Video Converter Ultimate for Mac is one of the best software when it comes to video related tasks including MP4 to MP3 conversion. The versatile program supports over 500 formats for the conversion of files in lossless quality. To save efforts and your time, multiple files can be converted at a time as the software supports batch processing. The converted MP3 files can be transferred to an array of devices using the software. Windows and Mac version of the program can be installed in just a few simple steps.
Download, install and launch Aimersoft Video Converter Ultimate for Mac on your Mac system. On the Convert section, there is a button +Add Files which allows adding local MP4 video for conversion. You can also add files directly by connecting the devices and then choosing the same device from the drop-down menu at the +Add Files button. Add multiple files for batch conversion.
At the top-right corner, open drop-down options at Convert all tasks to: option. From the Audio tab, select MP3 as the target format. Also, choose the file quality.
Hit on the Convert All button to start converting your added MP4 videos to MP3 on Mac. After conversion in seconds, you can locate the converted files at the location selected at Output tab for the Converted tab.
QuickTime is the default video player for the Mac devices and in addition to playback; a number of other functions are also supported by the app including file conversion. But if you are looking for an option to convert your MP4 videos to MP3 format, you would be disappointed as the player allows audio extraction only in m4a format. So using QuickTime on Mac MP4 videos can only be converted to M4A audio format and not MP3.