UniConverter (Mac and Windows) (with Guide!) Top 13 Best and Free MP3 to MP4 Converters #1. However, based on various parameters, ease of use and other pros and cons the next few lines will be all about the 13 best converters to convert MP3 to MP4 free online and work on Mac/PC easily. The internet is flooded with dozens of such MP3 files converters, and therefore choosing the right one could often be a tough task.
The following few lines could be quite useful. If you are looking for a free MP3 to MP4 converter and would like to know something about the top free online converters.