PassLok did it first, and now SeeOnce and URSA have followed. Both are available as extension/addon at the Chrome and Firefox web stores. They are just one click away, and are protected from interference by other code running on the browser. These are the links for SeeOnce: Chrome, Firefox, and for URSA: Chrome, Firefox. And, for good measure, PassLok: Chrome, Firefox, and PassLok for Email: Chrome, Firefox. Read More