
Depending on the platform, sometimes you may get audiobooks in MP3 format. However, MP3 is not the best format for audiobooks. It doesn't support chapters, and it's not bookmarkable. M4B is the best format for audiobooks. It supports chapters and is bookmarkable. It's also the format used by Apple for audiobooks.

Last year, I discovered the only MacOS that simply convert multiple MP3 files into one M4B file. It's called [AudioBookBinder App Store page](https://apps.apple.com/us/app/audiobook-binder/id413969927?mt=12) and can be found on the App Store for free!

## How to use AudioBookBinder?

AudioBook Binder is a simple app that does one thing and does it well. It converts MP3 files into M4B files. You drag your MP3 files into the app, and the cover, and it will convert them into one M4B file.

![AudioBookBinder Files View](/images/notes/audiobinder-mp3-m4v/audiobinder-cover-view.jpg 'AudioBookBinder Files View')
![AudioBookBinder Cover View](/images/notes/audiobinder-mp3-m4v/audiobinder-main-view.jpg 'AudioBookBinder Cover View')

The options are limited but sufficient. You can set the cover, the title, the author, and the genre. I usually leave it to "Audiobook" for the genre.

I hope you find this app useful as I did.

And in case you store some audiobooks on your own server, you take a look at [audiobookshelf](https://www.audiobookshelf.org/). It's a Google and Apple app that allows you to listen to your audiobooks from your own server. It's open-source and free. You're welcome!

![Audiobookshelf](/images/notes/audiobinder-mp3-m4v/audiobookshelf-screenshot.jpg 'Home page of Audiobookshelf')


Explore "AudioBookBinder", a handy MacOS app designed for making audiobooks. It quickly turns MP3 files into M4B format, making audiobook creation a breeze.

Tag: application

How to Convert MP3 to M4B for Audiobooks lovers, on MacOS?

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How to Convert MP3 to M4B for Audiobooks lovers, on MacOS?