Pebble Emulator
Runs entirely in your browser — no server, no install. QEMU is compiled to WebAssembly, emulating the original Pebble ARM hardware and booting real PebbleOS firmware. Tested on desktop, doesn't work well on mobile yet.
Firmware: Full PebbleOS SDK PebbleOS Boot May take 2-4 mins to boot
Select firmware and click Boot
FPS: --
Back Up Select Down
Keys: Left=Back, Up/Down=Navigate, Right=Select