I don't think it supports any browsers via plugin. You use a separate app to unlock your keychain, it places the relevant password on your clipboard and then it

I don't think it supports any browsers via plugin. You use a separate app to unlock your keychain, it places the relevant password on your clipboard and then it clears the clipboard 30s later. Very simple and therefore avoids a whole bunch of vulnerabilities other password managers (like LastPass) introduce by integrating with browser plugins.