I'm using that as well but had issues with tunneling where it creates the tunnel in the background and terminates and so you might not know the random port it assigned or I couldn't figure out how to un-tunnel it and tunnel again to the same port. Just bypassed the control master then.

There used to be multiple tools like this from different websites, but they were all bought by Calligraphr to redirect to them instead, giving them an effective monopoly and letting them charge subscription fees for generating fonts over the limits of the free version. I used to create two fonts and merge them with FontForge to get a complete usable font.

Great to see some competition on the market. Completely in the browser would mean it does not depend on a server and continues working as an archived version, so that's certainly great.

I see a single commit adding nearly 2M lines of code with the readme claiming to be a full production-ready project. Am I missing something here?

Also, since it mentions full WASM support, a web demo would be nice.

Since it's just USB and not Thunderbolt, wouldn't it use DisplayPort Alt mode for the display leaving data transfer untouched?

Yeah, it's one of those features where after getting used to it you just can't understand why not every browser has it. I remember trying to copy an image from OneNote and conveniently in the custom content menu there is a button to copy the image. The only thing it does however is tell you it doesn't work and to use Cmd+C instead, which doesn't work either. So Shift + Right Click saves the day again.