Convert MKV to WEBM offline

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






OUTPUT FILES:
# File Name File Size Actions
How to convert MKV to WEBM offline

Choose local MKV video files, choose "WEBM" as target video 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 MKV WEBM
Full name Matroska Video HTML5 Video
File extension .mkv, .mk3d, .mka, .mks .webm
MIME video/x-matroska, audio/x-matroska video/webm, audio/webm
Developed by www.matroska.org Google
Type of format Container format Video file format
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. 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.
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