How to Convert M4A to M4B Online?

Step 1

Upload M4A File

Drag and drop the M4A files that you want to convert.

Step 2

Convert M4A to M4B

Click CONVERT to convert your M4A file(s).

Step 3

Download Converted M4B

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

Information about M4A and M4B File Formats

File Extension
.m4a
Description
M4A is a filename extension for AAC container format and is developed by Apple Inc. M4A music is bought on the iTunes Store and does not come with DRM protection. In terms of quality, M4A is better than MP3 because it is lossless but still compressed. This means that it occupies less storage space and doesn’t lose quality over time.
Associated Programs
iTunes
Apple QuickTime Player
VLC
Windows Media Player
Developed By
Apple Inc.
MIME Type
audio/mp4a-latm
File Extension
.m4b
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

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