I love projects like this because I think eventually all common computing tasks will be broken down in constituent most computationally optimized components

This isn't a bad thing per se. I imagine this could be a thing for an embedded side project or a tiny rescue system.

Edit: or learning arm64 assembly :)

Ahh, this little gem ported to Linux, great! That opens much more possibilities to play with it, thanks

You wrote this by hand? Impressive.

Cool. I particularly like the O'Reilly book cover that never was. Although I fear you may have misunderstood what wasm is...

Question/critique. Isn't getting the mime type by file extension a bit windowsy? Would it not be easier to read the magic number when you're at the assembly level?