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:
- Chromebook Pixel: yes
- Samsung ARM Chromebook: yes
- Acer C7 Chromebook: yes
- CR48: yes
- 2009 MacBook Pro: yes, except for very small, dense QR codes
- 2011 iMac: no, unless the QR code is ridiculously large (over one foot across)
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.
Source: https://github.com/sowbug/scanqr-app
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