Privacy & Security
Auto Password Registerer Requires Restart
Registers given passwords to Firefox/Thunderbird's password manager automatically.
Asks for the master password at startup (fixes multiple password prompt)
Saved Password Editor Requires Restart
Adds the ability to create and edit entries in the password manager.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
This add-on allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
Note: This add-on won't work in Firefox 57. It may eventually if the APIs to access passwords are implemented.
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
This extension provides various customization options for the Adblock Plus user interface.
Minimum and fast URL blocker.
Adds private tabs.
QuickPasswords Requires Restart
Retrieve your Passwords the quick way! Never retype or display your secure passwords on screen anymore - put the password where you need it - the login form or the clipboard.
Now also includes SSO change (multi-domain pw) and Backup + Restore.
Google Privacy Requires Restart
Make some popular websites respect your privacy settings.
Please see the known issues below!
Extended Cookie Manager - Keep only wanted cookies.
Restart Application Button lets you restart your Firefox and SeaMonkey application by a quick toolbar button click.
Restrict Proxy by Private Windows, Tabs and Domain List
YesScript Requires Restart
WorldIP - Geo Add-on with Security Features Requires Restart
Professional Geo Add-on with security features and advanced network tools. Anti-phishing. Protection against DNS spoofing and fake sites. All DNS records for domain. The real location of web server, country flag, extended information about datacenter
eCleaner Requires Restart
Clears preferences left by extensions after uninstallation
RequestPolicy Requires Restart
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
Block advertisement and access to adult sites
RefControl Requires Restart
Control what gets sent as the HTTP Referer on a per-site basis.