Many thanks to Nate Otto at Concentric Sky for bringing the idea of a badge viewer to life. Here is the link...
To use this to look at a badge you need to know the email of the recipient of the badge. Browse to select the badge image which will appear in the Badge Image box on the left. Enter the expected email of the recipient and then submit. It will unpack the metadata in the badge and present it in a very simple fashion.
If you would like to just look at the metadata in the badge in it's full glory you can 'unbake' it using the tool linked below: