I switch between several keyboards and got tired of looking up Fn combos and Bluetooth pairing sequences in PDFs. Built a visual reference — pick your keyboard, click a function, the keys light up.

https://keymatrix.dev

Covers 27 keyboards (HHKB, Keychron, Akko, NuPhy, etc). All shortcut data extracted from official documentation.

The site has a terminal-style UI with a working command line — you can type `cd hhkb` and Tab to autocomplete.