# Can Mp3Tag convert between mp3 files and m4b and vice versa?

**URL:** https://community.mp3tag.de/t/can-mp3tag-convert-between-mp3-files-and-m4b-and-vice-versa/62188
**Category:** Support
**Created:** [September 24, 2023, 12:59am UTC](https://community.mp3tag.de/t/can-mp3tag-convert-between-mp3-files-and-m4b-and-vice-versa/62188 "2023-09-24T00:59:26Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)
#### Post date: [September 24, 2023, 6:25am UTC](https://community.mp3tag.de/t/can-mp3tag-convert-between-mp3-files-and-m4b-and-vice-versa/62188/3 "2023-09-24T06:25:47Z")

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> [@nhan](#):
>
> still don't really understand what mp3Tag does  
> ...  
> Please give me instructions or links to the relevant docs if possible

Here is an overview of MP3tag's functions:

> **[Overview – Mp3tag Documentation](https://docs.mp3tag.de/getting-started/overview/)**
>
> General description about Mp3tag, the design philosophy and the intention of this documentation. Mp3tag is the universal Tag Editor.

and see also here:

> [@Adding chapter markers to audio and video files](https://community.mp3tag.de/t/adding-chapter-markers-to-audio-and-video-files/62009):
>
> I'm currently researching how to embed chapter information inside audio and video files, so that they still work when playing a file standalone. Can a chapter index be written to the ID3 metadata?

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