Can I Convert M4B Audiobook to MP3 with Chapters? Solved

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Emily Zeng
Updated on July 04, 2024 Preview 9.7K Preview 0
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M4B has won favor as the best format for playing audiobooks in iTunes and iBooks. It allows you to read M4B audio books from marked pages rather than from scratch and supports storing long audio with chapters. But if you are eager to enjoy M4B audio books anywhere without playback limitations, converting M4B to MP3 is a great way to eliminate incompatibilities. Now read along to learn how to convert M4B to MP3 on Mac or Windows.

 

How to Convert DRM-free M4B to MP3

M4B audiobooks downloaded from the Internet, especially from public domain sources like LibriVox.org, are usually DRM-free. For those non-protected M4B audiobooks, you can convert M4B to MP3 by the following 4 methods.

#1 Three steps to convert large M4B to MP3 in one shot

via Cisdem Video Converter - an all-in-one media converter

The primary considerations when converting multiple large M4B files to MP3 are if batch conversion is possible and if the conversion speed is fast. Well, look no more because Cisdem Video Converter has thought of all the scenarios, which allows you to efficiently and batch convert between any audio and video without quality loss.

What Cisdem can do for you?

  • Convert M4B to MP3, M4A, WAV, FLAC, MP4, MOV, iTunes, mobile, etc., over 600 formats and optimized presets supported in total
  • Also convert a big MP3 to M4B and add chapters
  • Compress, trim, or combine M4B files
  • Raise or lower the volume of your audiobook
  • Configure audio format parameters
  • Extract audio from YouTube, Facebook, SoundCloud, and other 1000+ media hosting providers
  • Rip audio from copy protected DVDs and Blu-rays

Free Download Windows 11/10/8/7

Cisdem Video Converter is surprisingly easy to use despite its power. Even if it's your first time using it, you'll get the hang of it in no time. Now let us have a look at how to batch convert M4B to MP3 in 3 steps.

Step 1. Add M4B files.

Upload multiple M4B audiobooks to the “Convert” panel using a standard drag-and-drop feature.

Cisdem M4B to MP3 Converter provides 5 panels for different functions. Click the top icon to switch.

conversion interface

Step 2. Set output format as MP3.

If selecting an output format for a single audiobook, click on the format icon near the file. If for all, click the box at the bottom next to "Convert all task to". In the format list, click on the “Audio” tab, then select MP3 format and the audio quality.

A gear icon appears when you hover over the quality option. You can click on it to set the audio channel and sample rate.

adjust mp3 parameters

Step 3. Easily convert multiple M4B to MP3 format.

Click “Start” in the lower right to execute the conversion immediately. After the process, click the blue checkmark icon to obtain the converted MP3s.

Free Download Windows 11/10/8/7

Bonus tip: convert an M4B audiobook into separate MP3 files by chapters

If you think the final MP3 is too large, you can split it into multiple audio files based on the chapter. Click on the pencil icon and under the "Trim" tab, set the start and end times for chapter one. Then continue adding the same M4B source to Cisdem, set the time for chapter two.

You can open M4B in VLC media player and go to “Playback → Chapter” to view the chapter times.

 

#2 Automatically convert M4B with chapters to multiple MP3 files

Via foobar2000 - an audio player freeware, Windows version with audio conversion support

If your audiobook contains multiple chapters and you do need to split them, then foobar2000 is a more accessible alternative. But if you only want one output file, don't use this M4B to MP3 converter, because it will split the M4B automatically. Note: Currently, the Mac version only supports M4B file playback.

  1. Drag and drop an M4B file with chapters into foobar2000. The app will auto decode all chapters with different track numbers, titles, and duration information.
  2. Head to “Edit → Select all” or press and hold Ctrl + A key.
  3. Right-click the selected files, choose “Convert → Quick convert”.
  4. In the pop-up panel, pick MP3 (LAME).
  5. If necessary, open the editing preset window to tweak the quality level.
  6. Hit “Convert”, then you should select an output folder to initiate M4B to MP3 conversion.

 

#3 Manually convert an M4B audiobook to separate MP3 chapters

Via Audacity - open source M4B to MP3 converter and recorder

Audacity doesn't just convert M4B with chapters to one MP3, it does export multiple MP3s by chapters. The latter is a bit trickier, so here is a step-by-step guide.

1. Go to https://lame.buanzo.org/ffmpeg.php to download and install FFmpeg library for your Audacity.

M4B is not a file type supported by Audacity and can only be successfully added by installing FFmpeg.

2. Now you can drag and drop M4B directly into the software.

3. Split chapters based on the silence.

There is a longer silence section between each chapter. Hold down the Ctrl key and roll the mouse wheel to zoom in on the editing panel, then you can see and figure out the length of the silence more clearly.

Hold down Ctrl + A to choose the file and navigate to "Analyze → Label Sounds".

Set the minimum silence duration. For example, if the silence section is 5s, then duration should be 00h00m05.000s (hh:mm:ss + milliseconds). Click "Apply".

Your audio will be devided into multiple chapters. Check that labels are in the right place.

4. Click "File → Export Audio".

5. Expand the format list and select "MP3 Files".

6. Choose "Multiple Files" in the export range section.

7. Export multiple MP3 files at once.

 

#4 Convert M4B to MP3 Online for Free

Via cloudconvert.com - web-based M4B to MP3 converter, no need to download the software

A good online audio converter is not always easy to find. Most of them have a limit on the size of files that can be uploaded. Since M4B files contain many chapters, they are longer and larger than other audio files. CloudConvert does well in converting large M4B to MP3 online without hindrance.

  1. Open the link - https://cloudconvert.com/mp4-to-mp3 in your browser.
  2. Click “Select File” to add an M4B audiobook from your device.
  3. Convert M4B audiobook to MP3 by clicking the big “Convert” button.
  4. Download your converted MP3.

Tip: Also want to split audio by chapters? You can click the wrench icon and manually trim the M4B like Cisdem Video Converter does. However, this requires you to add the M4B multiple times, whereas CloudConvert can only convert the file up to 10 times per day, which is not conducive to working with multiple audios.

 

How to Convert Copy-Protected M4B to MP3

Via TuneFab Apple Music Converter - iTunes M4B and Audible AA/AAX DRM remover

For DRM-encrypted M4B files, you should pick a program that is specially designed to handle them. It is recommended to use TuneFab M4B to MP3 Converter. The app helps you convert the entire M4B to MP3 with metadata like title, artist, album, and genre info preserved. Furthermore, it supports converting M4B to MP3, M4A, and FLAC in batch mode.

  1. Launch TuneFab M4B to MP3 Converter on Windows or Mac. It will automatically open iTunes, and sync the M4B content you purchased from iTunes to the software.
  2. Click the "Audiobooks" tab on the right side, and you will see all the synchronized files. Tick the M4B you need to convert.
  3. The default output format is MP3. Just keep it. Adjust the MP3 parameters according to your preferences.
  4. Choose the file destination and start converting M4B to MP3 on Windows or Mac. The all process will be finished within a second.

 

Can I Convert M4B to MP3 with iTunes?

For those who have upgraded to Catalina and above, I'm sorry to say that the iTunes Alternative - Apple Music app no longer supports the M4B format. But if you are still using iTunes on Mac or Windows, you can convert non-protected M4B audiobooks to MP3 straight.

  1. Run iTunes app and then import M4B files into the iTunes library.
  2. Navigate to “Preferences → General → Importing Settings”.
  3. Click “Import Using” menu and choose “MP3 Encoder”, next click on “OK”.import using aac encoder
  4. Go to “Books → Audiobooks” to find the M4B files that you want to convert to MP3 format.
  5. Lastly, converting M4B to MP3 by navigating to “Advanced → Create MP3 Version”.

 

Conclusion

Let's make an ultimate choice.

To convert multiple large size M4B to MP3 or any other format, Cisdem Video Converter is the best.

Split M4B with chapters into multiple MP3s, choose foobar2000.

Remove encryption from iTunes M4B, select TuneFab Apple Music Converter.

Tip: If you want to convert M4B to one file format with all chapters and better compatibility, M4A format can do it.

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Emily Zeng

Emily is a girl who loves to review various multimedia software. She enjoys exploring cutting edge technology and writing how-to guides. Hopefully her articles will help you solve your audio, video, DVD and Blu-ray issues.

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