Convert WMV to M4A offline by JavaScript

Convert WMV to M4A offline

Convert local WMV files to M4A files offline by JavaScript in your web browser without any software downloads or file uploads!

Files:

Target:

Audio bitrate:

Sample rate:

Show conversion logs

OUTPUT FILES:

#	File Name	File Size	Actions

How to convert WMV to M4A offline

Choose local WMV files, choose "M4A" as target audio format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. File size can be up to 2GB. Please note this offline audio converter only works in web browsers that support new technologies such as WebAssembly, Shared Array Buffer and Site Isolation.

Name	WMV	M4A
Full name	Windows Media Video	Audio-only MPEG-4
File extension	.wmv	.m4a
MIME	video/x-ms-wmv	video/mp4
Developed by	Microsoft	International Organization for Standardization
Type of format	Video file format	Media container
Introduction	Windows Media Video (WMV) is a file type which can contain video in one of several video compression formats developed by Microsoft. The original video compression format used in the file, also known as WMV, was originally designed for Internet streaming applications, as a competitor to RealVideo.	MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. M4A stands for MPEG 4 Audio and is a filename extension used to represent audio files.