Convert M4B to MP4 - online and free
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How to convert a M4B to a MP4 file?
- Choose the M4B file that you want to convert.
- Select MP4 as the the format you want to convert your M4B file to.
- Click "Convert" to convert your M4B file.
Zamzar Pro Tip: You can use the Quicktime player to open M4B files. This is a free player bundled with Macs and downloadable for Windows.
Drag & drop files, or select link
Max. file size 50MB (want more?)
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Zamzar has converted over 510 million files since 2006
M4B (Audio)
| File extension | .m4b |
| Category | Audio File |
| Description | Audiobook and podcast files which also contain metadata including chapter markers, images, and hyperlinks can use the extension .m4a but more commonly use the .m4b extension. M4b files support metadata for chapters and bookmarking on supporting players and most commonly uses AAC (Advanced Audio Codec). |
| Actions | M4B to MP4 - Convert file now View other audio file formats |
| Technical Details | The audio in a M4b file is encoded with the AAC compression format and can therefore be protected with Apple's FairPlay DRM copy protection system. M4b files can contain metadata as defined by the format standard and in addition can contain Extensible Metadata Platform (XMP) metadata. |
| Associated programs | Apple QuickTime Player Apple iTunes |
| Developed by | Apple |
| MIME type | audio/m4b |
| Useful links | More detail on the MPEG4 format M4B Converter |
MP4 (Video)
| File extension | .mp4 |
| Category | Video File |
| Description | MP4 files (MPEG-4 Part 14) are multimedia files. MP4 is a container format that can store video, audio and subtitle data (as well as more depending on content). Since stores like iTunes uses this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common. |
| Actions | MP4 Converter View other video file formats |
| Technical Details | MPEG-4 Part 14 or MP4, formally ISO/IEC 14496-14:2003, is a multimedia container format standard specified as a part of MPEG-4. It is most commonly used to store digital video and digital audio streams, especially those defined by MPEG, but can also be used to store other data such as subtitles and still images. Like most modern container formats, MPEG-4 Part 14 allows streaming over the Internet. A separate hint track is used to include streaming information in the file. The only official filename extension for MPEG-4 Part 14 files is .mp4. |
| Associated programs | Apple QuickTime Player Apple iTunes Microsoft Windows Media Player VideoLAN VLC Media Player |
| Developed by | Moving Picture Experts Group |
| MIME type | audio/mpeg |
| Useful links | Detailed information on the MP4 File Format How to play MP4 files MP4 Converter |
Convert M4B file
Using Zamzar it is possible to convert M4B files to a variety of other formats
- m4b to aac (Advanced Audio Coding File)
- m4b to ac3 (AC3 Audio File)
- m4b to flac (Free Lossless Audio Codec)
- m4b to m4a (Compressed video file)
- m4b to m4r (iPhone Ringtone File)
- m4b to mp3 (Compressed audio file)
- m4b to mp4 (MPEG-4 Video File)
- m4b to ogg (Ogg Vorbis Compressed Audio File)
- m4b to wav (Windows audio file)
- m4b to wma (Windows Media Audio)
