Not so much a request, as it is a suggestion. IDK what dependencies, if any, this has, java, .net, etc. But it is covered under the Mozilla licence and is offered in a portable version. The official site is currently down, but I found it here:
New: MKVToolNix (May 01, 2024), Platform 29.5 (Apr 24, 2024)
1,100+ portable packages, 1.1 billion downloads
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The site doesn't appear to be down....
http://www.cubicreality.com/ce/
The developer formerly known as ZGitRDun8705
It was up when I found the link, but down when I posted it here.