M4B is designed to store and deliver audiobooks based on MPEG-4. But due to the poor compatibility of the M4B format, you may wish to convert M4B files to MP3 format with the original high quality. Here I’ve compiled 5 free audio converters that can easily manage M4B to MP3 conversion. You can download the overall easiest yet most effective one in advance and see how to convert M4B to MP3 below:
https://www.videoconverterfactory.com/download/hd-video-converter.exe https://www.videoconverterfactory.com/download/hd-video-converter.exe
Carina Carina | July 21, 2022


M4B files can be free audiobooks downloaded from free sites and DRM-protected audiobooks in iTunes and Apple Books. This post mainly focuses on converting the unprotected M4B files. For DRM-protected M4B files, you can only play them with authorized computers and iOS devices on your iTunes account.

1. WonderFox Free HD Video Converter Factory (Recommended)

To convert M4B files to MP3, a professional and easy-to-use audio converter is always the first choice for everyone. And WonderFox Free HD Video Converter Factory is such an audio converter. It can easily convert M4B files to MP3 format with the simplified steps. The in-built audio trimmer also allows you to split the audio file into chapters. You can also compress the audio files for space saving with a decent quality preserved. Moreover, the Downloader feature supports you to download audio files/movies from 500+ websites if needed.

Just download and installdownload and install it to get ready. The following parts will demonstrate how to convert M4B files to MP3 with Free HD Video Converter Factory.

Free Download

Compatible with Windows

100% Clean & Safe

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Step 1: Add M4B files into the Converter

Launch the Free HD Video Converter Factory after installing it. Open the Converter window and click the upper left Add Files button or the center + button to import the M4B files. You can also straightly drag the files and drop them into the workspace.

How to Convert M4B to MP3

Step 2: Choose MP3 as the Output Format

Hit the format image on the right side of the interface to unfold the output format list. Head to the Audio category and select MP3. Here you can also choose other formats according to your actual needs.

Convert M4B to MP3 Windows 10

Optional Step:

You can split the audiobook into clips with the trim tool and combine the audiobook into a single file by clicking the upper Merge button. You can also change the audio bitrate and other parameters in the Parameter settings window.

Convert M4B Audiobook to MP3

Step 3: Start M4B Files to MP3 Conversion

Hit on the inverted triangle button to set the output destination before the conversion or leave it as default. Finally, press the Run button to start the conversion process.

Convert M4B to MP3 Windows 10

How to Convert M4B File into MP3 Handily

WonderFox Free HD Video Converter Factory is a leading program to convert M4B to MP3 with high quality preserved. It also enables you to convert, edit, and compress the audio and video files in a handy way. The intuitive GUI and straightforward operation make it easier than ever to manage the whole process. Besides the audio/video conversion, it also helps you download audio and video files from 500+ websites and save them in high quality. Sounds good? Just download it here and have a try!

2. VLC Media Player

Apart from playing audio and video files, the VLC media player is also a powerful audio and video converter. If you have VLC downloaded on your PC, you can use it to manage M4B to MP3 conversion. Although the interface and conversion steps may be a little complicated, it is still a mighty tool to convert M4B files to MP3.

Follow the steps below to see how to convert M4B audiobook to MP3 with VLC.

Step 1: Start the VLC media player and click Media, navigate to Convert/Save or press Ctrl + R to bring out the Open Media window.

VLC M4B to MP3

Step 2: Click +Add... to import the M4B files into this program. Then hit the Convert/Save button at the bottom of the interface to open the Convert window.

M4B Files to MP3

Step 3: Choose Audio-MP3 from the Profile list. Then set a destination folder to keep the files by hitting the Browse button. Finally, press the Start button to begin M4B to MP3 conversion.

M4B Audiobooks to MP3

3. Audacity

Audacity is known as an open-source audio editor software. But it can also convert audio file. However, as an audio editor, you cannot use it to batch import M4B files, otherwise, these M4B files will be mixed together to be a stereo MP3 file. Besides installing Audacity, you also need to install FFmpeg and LAME MP3 (the recent version has the LAME MP3 encoder built-in) for Audacity to recognize M4B and export it as MP3.

Follow the step-by-step tutorial below to convert M4B to MP3 with Audacity

Step 1: Launch Audacity and click the File button to open and load one M4B file that you want to convert. (Make sure that you have downloaded FFmpeg and LAME MP3 or the Audacity version is the newest.)

M4B Audio to MP3 Audacity

Step 2: Re-press the File button and select Export, choose Export as MP3.

M4B Files into MP3

4. Zamzar

There is also an online audio converter that supports converting M4B files to MP3. Zamzar is a simple online converter that can help you convert from M4B to MP3 with a few clicks. You can also convert multiple files at the same time. But Zamzar limited the max. file size to 50 MB. And the common problem of online converters is that they need to operate in a good network environment.

How to convert M4B files to MP3 with Zamzar:

Step 1: Visit https://www.zamzar.com/convert/m4b-to-mp3/ on your browser
Step 2: Drag & drop the source files into the program or click the Choose Files button to upload them.
Step 3: Wait for the uploading process and hit the Convert Now button
Step 4: Download the converted MP3 files to your PC.

Convert M4B to MP3 Online

5. iTunes

Last but not least, iTunes is also one of our options for converting M4B files to MP3 especially for macOS users. It supports basic conversions but it is not a professional audio converter, that means you can convert 1-2 audiobooks to MP3 quickly but if you try to convert multiple files together, you may have an annoying conversion experience for it is most likely to crash.

To convert M4B files to MP3 with iTunes, you need:

1: Run iTunes, go to Edit >Preference on Windows or iTunes >Preference on Mac.
2: Open the Import Settings window and select MP3 Encoder in the Import Using tab.

iTunes Convert M4B Audiobook to MP3

3: Click OK to save the changes and back to the home interface.
4: Load the M4B audiobook and click File >Convert >Create MP3 Version.

iTunes Convert M4B Audiobook to MP3

After finishing the conversion process, you can see the converted MP3 files are saved in the iTunes library.

At last......

The 5 ways shown in this post are all free to use. Each one has its own features. But if you have the need to frequently convert audio/video or edit audio/video, then Free HD Video Converter Factory is the best option for you. Convert files without restriction, completely free, have basic editing functions and never crash. GetGet it to convert your M4B audiobooks to MP3 now!

Free Download

Compatible with Windows

100% Clean & Safe

Free Download
Find More Powerful Audio/Video Processing Features in Pro Version
WonderFox HD Video Converter Factory Pro

WonderFox HD Video Converter Factory Pro

Compared with Free HD Video Converter Factory, the Pro version is more powerful for dealing with audio and video files. This program enables you to convert video/audio files to 500+ formats and devices. You can also download video/audio files from over 1000+ websites without the limit of file amount. Besides, you can even convert videos to 1080P, 2K, 4K for the high visual experience. Moreover, it supports batch conversion/compress mode, 50X faster conversion speed, and includes a line of additional tools (Screen recorder, GIF maker, video editor, split-screen maker, ringtone maker, etc.). Get the all-in-one audio/video processing tool now!

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