Cloud QRcode Barcode Scanner is the fastest and most user-friendly QR code scanner available.
Change your computer into a powerful QR Code, Barcode scanning utility. This intuitive, full-featured QR utility will change the way you interact with QR Codes and their smart actions and activities.

You can load the image to scan from Google Drive, Computer, Webcam, and Clipboard directly.

Support formats: jpg, jpeg, png, gif, bmp...
Supports Chrome, IE10+, Firefox, Safari.. 

Decode a 1D or 2D barcode from an image.
Supported formats:
UPC-A and UPC-E, EAN-8 and EAN-13
Code 39, Code 93, Code 128, ITF, Codabar
QR Code, Data Matrix, Aztec, PDF 417...