Convert WEBM to WMA offline by JavaScript

Convert WEBM to WMA offline

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

Files:

Target:

Audio bitrate:

Sample rate:

OUTPUT FILES:

#	File Name	File Size	Actions

How to convert WEBM to WMA offline

Choose local WEBM files, choose "WMA" as target audio format, then click the "CONVERT OFFLINE" button to start offline conversions in bulk. Each file 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. Use online converter instead if this offline converter doesn't work in your web browser.

Name	WEBM	WMA
Full name	HTML5 Video	Windows Media Audio
File extension	.webm	.wma
MIME	video/webm, audio/webm	audio/x-ms-wma
Developed by	Google	Microsoft
Type of format	Video file format	Audio file format
Introduction	WebM is a video file format. It is primarily intended to offer a royalty-free alternative to use in the HTML5 video tag. It has a sister project WebP for images. The development of the format is sponsored by Google, and the corresponding software is distributed under a BSD license.	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.