Convert MKV to M4A offline by JavaScript

Convert MKV to M4A offline

Convert local MKV 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 MKV to M4A offline

Choose local MKV 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. Use online converter instead if this offline converter doesn't work in your web browser.

Name	MKV	M4A
Full name	Matroska Video	Audio-only MPEG-4
File extension	.mkv, .mk3d, .mka, .mks	.m4a
MIME	video/x-matroska, audio/x-matroska	video/mp4
Developed by	www.matroska.org	International Organization for Standardization
Type of format	Container format	Media container
Introduction	The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.	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.