AAC to M4B Converter

Convert AAC files to M4B online for free now.

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500MB Maximum File Size

30 Concurrent Conversions

High Speed Conversion

High Speed Download

Unlimited File Compression

How to Convert AAC to M4B Online?

Step 1

Upload AAC File

Drag and drop the AAC files that you want to convert.

Step 2

Convert AAC to M4B

Click CONVERT to convert your AAC file(s).

Step 3

Download Converted M4B

Click DOWNLOAD to save your converted M4B file(s).

Information about AAC and M4B File Formats

File Extension
Description
AAC (Advanced Audio Coding) is a lossy audio format developed by Dolby and Sony Corporation, AT&T Bell Laboratories, and Fraunhofer IIS. During compression, AAC eliminates unnecessary data, making it smaller and easier to stream or download. Today, Apple devices such as iPhones and iPads are the biggest users of the AAC format.
Associated Programs
VLC Media Player
iTunes
Apple QuickTime Player
Windows Media Player
Developed By
Bell, Fraunhofer, Dolby, Sony, Nokia, LG Electronics, NEC, NTT Docomo, Panasonic
MIME Type
audio/aac
File Extension
Description
M4B is an audio filename extension for AAC format, which is developed by Apple Inc. It is mainly used on podcast and audiobook files. Typically, M4B files contain audio and other metadata like images, hyperlinks, and chapter markers. M4B files are DRM copy-protected and can be opened on Apple iTunes and QuickTime Player.
Associated Programs
Apple iTunes
Apple QuickTime Player
Developed By
Apple Inc.
MIME Type
audio/x-m4b
AAC to M4B conversion quality rating:
4.9 (162,357 Votes)
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We’ve already converted xxx ,xxx ,xxx files with a total size of 10,124 TB