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HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded video transcoder.
Everyone at some point wanted or would like to convert mp4/mpv/WebM files to mp3 on Linux. If you would like to achieve that on any Linux system, don't worry because I have a good solution for you. I wrote a simple bash script to convert mp4/mkv/WebM media files to mp3 on Linux. The script can convert mp4, mkv and WebM video formats to mp3 audio format. How To Convert M4A to MP3 on Linux | Life of a Geek Admin Click on the format drop down and select MP3 (.mp3) and click close. Next click on the Add File button and browse to the m4a you want to convert and click open. If there are more files you want to convert use the Add File button. If you are done then click on convert. The conversion will show progress until completed. And there you go! A few ways to convert m4a to MP3. How do I convert an MP4 to an MP3? - Ask Ubuntu I have extracted the audio from mp4 and m4a files and converted them to mp3 format many times; it is very useful when a lot of podcasts come in m4a or mp4 format. I found that the most reliable way to allow ffmpeg to use proprietary formats was to build it from source, although you can see if it works with jfreak53's method if you do not wish to build from source.