the Twinkie USB Power Delivery analyzer directly from the web

Clone this repo:
  1. 2d37dc4 upgrade USB PD packets decoder by Vincent Palatin · 25 hours ago master
  2. 0bf3330 Make DFU mode an updated toggle switch by David Schneider · 25 hours ago
  3. 0a0bbbc Make building and publishing easier by David Schneider · 25 hours ago
  4. 52b9205 Convert TWebkie to the new MDL framework by David Schneider · 2 days ago
  5. 8214709 Merge "Automatic VBUS acquisition and DFU mode" by ChromeOS Commit Bot · 3 weeks ago


A install-less WebUSB-based tool for the Twinkie USB Power Delivery monitoring dongle.


  • Plug the Twinkie dongle to your host
  • Open your Chrome browser and visit (or click on the pop-up)

For developers

This site is using Material Design Lite.

It is structured as Progressive Web App based on the Web Starter Kit which contains more documentation how to use gulp and build or deploy this site.

The site source repository is chromiumos/twebkie.

More resources