GPGFox is a Firefox extension that empowers users to decrypt GPG messages. Text encryption using GPG is also possible.
GPGFox is an open source add-on designed to work with Mozilla Firefox 17.0 and later.
This add-on doesn't require you to restart the web browser.
· Mozilla Firefox
What's New in This Release: [ read full changelog ]
· This version brings support of encryption in (at least) the following webmails: Gmail (both old-style and new-style composition), Yahoo, Zimbra. Decryption should continue to work. The user interface is still very bare, but at least the basics are now here.