Remove m4b metadata

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Right click on one or more M4b file(s) on your desktop and select Convert with Filestar.
Type remove metadata in the search box.
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What is .m4b?

Name: MPEG-4 Audio Book File
Extension: .m4b
Format: Binary
Category: Audio
Developer: Apple
Description: It is an audiobook file compressed using .AAC algorithm based on MPEG-4 container format. It is similar to .M4A file but its denoted as an audiobook and supporting audio players can bookmark it.
MIME Type: audio/x-m4a
Sample: sample.m4b
Wikipedia: .m4b on Wikipedia

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Last updated October 4, 2026