Just to note that installing any Chrome extension will give you a similar warning. In fact most of them say "It can access: Your data on all websites." (In Fi

Just to note that installing any Chrome extension will give you a similar warning. In fact most of them say "It can access: Your data on all websites." (In Firefox you don't get a scary warning, but it's still true!) When you install a browser extension you need to trust the extension authors. In this case, rahulvohra's link below may help you decide :)