Convert M4A to WMA offline by JavaScript

Convert M4A to WMA offline

Convert local M4A files to WMA 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 M4A to WMA offline

Choose local M4A files, choose "WMA" 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	M4A	WMA
Full name	Audio-only MPEG-4	Windows Media Audio
File extension	.m4a	.wma
MIME	video/mp4	audio/x-ms-wma
Developed by	International Organization for Standardization	Microsoft
Type of format	Media container	Audio file format
Introduction	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.	Windows Media Audio (WMA) is an audio data compression technology developed by Microsoft. The name can be used to refer to its audio file format or its audio codecs. It is a proprietary technology that forms part of the Windows Media framework. Each WMA file features a single audio track in one of the four sub-formats: WMA, WMA Pro, WMA Lossless, or WMA Voice.