Why use SoundTaxi converter? The program has also a built-in audio player, which allows you to listen to your AAC and M4a files even without converting them. Step 2: Add your MP4 files When you've finished setting your output preferences in Windows, simply click the Convert Now! button at the top of the window next to the presets option (or click the Convert Now! button in the bottom right-hand corner on a Mac). Although there are options for converting only specified files on your list, the whole batch will be converted by default unless you choose otherwise. The newly-converted files will automatically launch once converted. The Best mp42mp3 freeware state web link convert mp4 to mp3
With Xilisoft Audio Converter, you can also convert files in batches as well as audio segments, split files, output files to exact size, simultaneously convert a file into different formats, fully customize your output by adjusting a range of basic and advance parameters, edit ID3 info, add and adjust audio effects. High audio conversion speed is guaranteed with multithreading and multi-core CPU processing both supported.