Hi
I have a lot of experience designing browser extensions. When I create browser extensions, they are generally compatible with Chrome, Firefox and Internet Explorer without modification.
I would appreciate more details about the kind of data you wish to transfer, maybe some example web pages and the required data.
I can usually do an extension like this within 1-2 days but this is subject to getting more information, as is the price. I will revise my bid when the project definition is clearer.
Regards
Troy