Data is synced from the Chrome Web Store. View the official store page for the most current information.
Scans QR codes and displays their contents on a Chromebook or other computer with a suitable webcam. What's a "suitable" webcam? It's one that can focus the QR code within the red square in the app sharply enough that the app can decode it. My test results:
If Chrome implements an API to let developers adjust camera-focus settings, I'll be able to improve the app to work with more cameras.