New tool released: WebUPDI – a browser-based flashing tool for modern AVR microcontrollers with UPDI programming support.

No download/installation needed. Flashes AVR chips directly from the browser using just a simple USB-to-Serial adapter.

⚡ Run it: https://manuelkasper.github.io/webupdi/
📦 Code: https://github.com/manuelkasper/webupdi