MKV to WEBM Converter

Select files for conversion or just drag and drop them to the upload area

How to convert MKV files to WEBM online?

Step 1.

Upload MKV-file

Click "Choose File" button to select a mkv file on your computer. MKV file size can be up to 50 Mb.
Step 2.

Convert MKV to WEBM

Click "Convert" button to start conversion.
Step 3.

Download your WEBM

Let the file convert and you can download your WEBM file right afterwards.

Information about MKV and WEBM file formats

Name MKV WEBM
Full name MKV - Matroska WEBM - HTML5 video
File extension .mkv, .mk3d, .mka, .mks .webm
MIME type video/x-matroska, audio/x-matroska video/webm, audio/webm
Developed by www.matroska.org Google
Type of format Container format video file format
Description 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.
Technical details Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software. The WebM container is based on a profile of Matroska. WebM initially supported VP8 video and Vorbis audio streams. In 2013 it was updated to accommodate VP9 video and Opus audio.
Associated programs VLC Media Player VLC media player, MPlayer, K-Multimedia Player, Mozilla Firefox, Opera, Google Chrome, FFmpeg.
Wiki https://en.wikipedia.org/wiki/Matroska https://en.wikipedia.org/wiki/WebM