about:synckey - Firefox Addon - This is a small restartless add-on for Firefox to view your Sync Key at about:synckey. Useful when you only have your mobile device running Firefox Mobile at hand and you would like to connect to your Sync account.
1. Install this add-on. It's restartless, so no restart required.
2. Open a new tab and go to about:synckey
Bigger Text - Firefox Addon - Sometimes websites are hard to read on a small screen with their normal fonts. With this add-on installed, you can open the site menu and press the "Bigger Text" button to enlarge the text on any page
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change