M4B to WEBM Converter

Convert M4B files to WEBM 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 M4B to WEBM Online?

Step 1

Upload M4B File

Drag and drop the M4B files that you want to convert.

Step 2

Convert M4B to WEBM

Click CONVERT to convert your M4B file(s).

Step 3

Download Converted WEBM

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

Information about M4B and WEBM File Formats

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
Useful Link
File Extension
Description
WebM is an open-source, royalty-free multimedia format for streaming content online. It contains compressed video streams of either VP8 or VP9 codec and compressed audio streams of Oupus or Vorbis codec. Today, it’s one of the most widely used file formats to stream videos online because of its lightweight and real-time delivery nature.
Associated Programs
Google Chrome
Firefox
VLC Media Player
Windows Media Player
Developed By
Google Inc.
MIME Type
video/webm, audio/webm
Useful Link
M4B to WEBM conversion quality rating:
4.9 (162,357 Votes)
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