Wondershare UniConverter

All-in-One Video Converter

  • Convert audio/video formats to 1,000+ formats, including M4B, AAC, MKA, WMA, MP4, etc.
  • Download videos to convert to GIF from video-sharing platforms like Vevo, YouTube, Dailymotion, etc.
  • 30X faster conversion speed than any conventional converters.
  • Versatile toolbox combines screen recorder, GIF maker, fixing video metadata, etc.

How to Convert AAX to M4B Format in 2020

by Christine Smith • 2021-03-25 18:56:02 • Proven solutions

In this digital era, everything from meetings to reading books has become a virtual thing. And when we talk about audiobooks, it is actually setting the trend these days. However, many users come across situations when the iPhone or iPad cannot play the audible book yet properly plays well on PC. Since these books are in AAX format, there comes a limitation with it, which is the compatibility issue. Hence, one should convert an audible format like AAX to another format like M4B supported by iOS.

There are also so many purposes to convert AAX to M4B because one can store the digital bookmarks, making it easier to find any point and more efficient to help remove any errors. To convert AAX to M4B, you don’t have to worry as we are going to discuss here how to convert AAX to M4B in an easy way. Let us know how!

Part 1. How to convert AAX file to M4B format with Wondershare UniConverter

Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is the best tool to convert AAX files to M4B format with ease. The tool is used to convert files and use them for media transferring, burning, and editing. With the help of this software, one can convert any video format.

The software can convert media files 30 times faster than other tools without loosening the quality. Its DVD menu templates can formulate any DVD look outstanding. Its short conversion period, high-quality production, and additional features make it unique. It can also convert multiple files at a time rapidly. The conversion process is not complicated, and it is available for all devices like a smartphone, tab, etc.

video converter logo Wondershare UniConverter for Mac/Windows

wondershare uniconverter
  • Photo/Video Conversion - Easy to convert multiple audio and videos 30 times faster than other tools
  • Audio/Video/Screen Recording - It records screen with audio without damaging the quality
  • CD Burning -It helps to burn DVD with no loss of quality from the available devices
  • Audio/Video Editing - Adjust the audio clip by increasing/ decreasing sounds and mute background audio clips. Edit video by using tools like trim, effect, merge. It helps to remove odd video clips and enrich the video quality
  • GIF Maker - Easy to make GIF with just a few clicks
  • Video compressor - Help to resize and reduce the size of the file
  • Download video - Videos from 10,000 sites can be downloaded using it
safe download Security Verified. 7,851,625 people have downloaded it.

How to use Wondershare UniConverter to convert the AAX file to M4B format.

Step 1 Import audio files.

To begin with, you need to select the Audio Converter from the left navigation board. Then, press the + Add Files button for importing the AAX file that is to be converted to M4B format. If you want, you can also add multiple files as this tool supports batch conversion with ease.

add files

Step 2 Select the needed audio format.

Once importing is done, grab the final Output Format drop-down tab at the bottom. It will display the pop-up window where you need to click on the Audio tab. Select the M4B format. Then, select the final file quality and go to the next step.

choose the format

Step 3 Convert audio files.

Press the Start All button placed over the right bottom. It required a short interval to get your imported AAX files converted to the M4B format. To save it on the device, hit the Folder icon at the bottom of the window.

Part 2. An alternative way to convert AAX to M4B

Apart from converting on desktop using UniConverter, you also can convert the AAX files to M4B with other tools available in the market. We are going to introduce one of the most popular converters to help you. Let us move further.

Stellar Audio Video Converter

This software can easily convert various videos and audios from any source like a mobile media player. It supports various formats and can do the batch conversion as well. Apart from that, it can be used for creating GIFs or video editing as well. Here is how you can use this tool to get your task done.

Step 1: Get the File Imported

Firstly launch the software and then click on the Add File button to add a file that you want to convert.

add files

Step 2: Choose Format

The target audio format has to be selected for this tap on the Output Format button on the top left and then get into the Advanced Settings option. Then, choose the Audio option followed by opting in for the desired output format from the corresponding drop-down menu. You can also change the bit rate settings as per your preference and hit the OK button.

choose format

Step 3: Convert

You now need to choose the destination folder on your PC where you wish to save the converted file, hit Save afterward. Once done, click on the Convert, and the conversion will be started.

convert AAX to M4B

Part 3. What are AAX and M4B formats

AAX refers to Avid Audio Extension. This format is associated with audible audiobooks. This file supposes Image and urgently used in kid's book for graphics novel, pictures, etc. Before playing this file user needs an account that requires a subscription-free account.

M4B is a file often seen used by small iTunes to store audiobooks. It is also used to store digital bookmarks along with the audio.

Why need to convert AAX to M4B?

There are so many reasons to convert from AAX to M4B format, which is described briefly. The biggest advantage of doing this is mb4 audiobook comprises more information, chapter markers images, and hyperlinks. It's allowed to store many bookmarks that will help you grab the point from where last left off. In comparison with AAX and M4B, the sound quality is far better in M4B, and errors are neglected through this transfer and compatibility.


Many files, audiobooks, and information are well played on PC but do not work or support the iPhone, iPad, so it is a basic need to convert AAX to M4B format. By converting it, one can overcome many of the error problems. To get better audiobooks, music information, or images with 100% quality and supported by iOS, one can easily transfer the file M4B by doing some steps. We introduce two of the most helpful tools to help you in need of conversion. We hope that we could help you. If you want to read about more such topics, stay tuned with us. We will bring more interesting topics in the future.

Recommended Bundle & Save for Video Fans

video editor



Filmora Video Editor

A powerful and intuitive video editing experience

video converter




Convert, download, edit, burn videos in 1000 formats, and more.

video converter and editor

$97.95 (Lifetime License)

Christine Smith

Christine Smith

chief Editor

(Click to rate this post)

Generally rated4.5(105participated)

Resource > Audio Solutions > How to Convert AAX to M4B Format in 2020