the Twinkie USB Power Delivery analyzer directly from the web

Clone this repo:
  1. 4da0598 Add an index redirect to force HTTPS. by David Schneider · 3 months ago master
  2. 85cbe48 Implement the firmware store by David Schneider · 5 months ago
  3. 4556c3c Disable inputs based on mode by David Schneider · 12 months ago
  4. 2d37dc4 upgrade USB PD packets decoder by Vincent Palatin · 12 months ago
  5. 0bf3330 Make DFU mode an updated toggle switch by David Schneider · 12 months 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