Notably if your keyboard supports VIA, you can use https://usevia.app/#/ https://usevia.app/#/ which directly updates the keyboard firmware with any custom mapp

Notably if your keyboard supports VIA, you can use https://usevia.app/#/ https://usevia.app/#/ which directly updates the keyboard firmware with any custom mapping you want. Web apps like above show the power of adding USB support to web standards--no more having to actually install software to interact with hardware, it's awesome.