
Follow the steps below to convert m4b files to mp3 using FFmpeg. With a simple FFmpeg command, you can convert M4B file to MP3. FFmpeg command to Convert M4B to MP3įFmpeg is one of my favorite software when it comes to media conversion. While VLC is converting the file, you can see then progress in the media seek bar. It took about ten minutes to complete the conversion process. For instance, the audiobook I’m trying to convert is around 20 hours long. This will start the m4b to mp3 conversion process.ĭepending on how long the playtime and your system specs, it can take some time to convert m4b file to mp3.

Now, select the radio option “ Convert” and select “ Audio – MP3” from the drop-down menu next to Profile.In the convert window, click on the “ Convert” option from the “Convert / Save” drop-down menu.Browse to the folder where the M4B file is stored, select it, and click on the “ Open” button.Under the File tab, click the “ Add” button.

You can also use the keyboard shortcut Ctrl + R.

The VLC media player has a built-in media converter than can convert media files from one format to the other. I’m sharing some of the best ways to convert M4B files to MP3 in Windows 10.
