Privacy and Security


Gmail Mail Sidebar

Gmail Mail Sidebar brings Gmail right into your Firefox Sidebar.

Rated 5 out of 5 stars (4)
7,953 users

Silent Block

Minimum and fast URL blocker.

Rated 5 out of 5 stars (16)
7,347 users

Close Proxy Authentication Requires Restart

Provides transparent proxy authentication on your enterprise network.
Close authentication dialog if login on proxy failed.

Rated 5 out of 5 stars (3)
6,845 users

Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart

IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.

Rated 3 out of 5 stars (9)
6,124 users

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.

Rated 5 out of 5 stars (48)
6,093 users

MM3 Proxy Switch Requires Restart

In the Firefox Browser (and other Mozilla programs) you can per default configure only the setting for one internet connection. With this Proxy Switch you can manage different configurations and simply switch over between these.

Rated 4 out of 5 stars (38)
5,389 users


Fight back against advertising surveillance

Rated 5 out of 5 stars (9)
5,006 users

KeePass Helper Requires Restart

Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.

Rated 4 out of 5 stars (35)
4,779 users

Perspectives Requires Restart

Connect securely to https websites by checking certificates with network notaries. See

Rated 4 out of 5 stars (44)
4,675 users


Block ads and manage proxy.

Rated 5 out of 5 stars (97)
4,617 users

CustomizeGoogle Requires Restart

CustomizeGoogle enhances Google by adding information and removing unwanted information.

Rated 4 out of 5 stars (371)
4,584 users

Cert Viewer Plus Requires Restart

Certificate viewer enhancements: PEM format view, trust configuration

Rated 4 out of 5 stars (6)
4,544 users

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for

Rated 5 out of 5 stars (15)
4,520 users


Block advertisement and access to adult sites

Rated 4 out of 5 stars (17)
4,009 users

CS Lite Mod Requires Restart

CS Lite allows you to set the permission of the cookie every domain from toolbar.

Rated 5 out of 5 stars (45)
3,847 users

Clear Cache and Data

Clears the browser cache and other selected storage.

Rated 3 out of 5 stars (3)
3,548 users

Click-to-Play Manager

Manages the Click-to-Play domain whitelist.

Rated 4 out of 5 stars (11)
2,886 users

PasswordMaker Requires Restart

One Password To Rule Them All!

Rated 4 out of 5 stars (55)
2,703 users

WebPG for Mozilla Requires Restart

An extension which provides GnuPG/GPG/PGP related functions to Moizilla Firefox, Thunderbird and Seamonkey

Rated 3 out of 5 stars (23)
2,558 users

Whois & Flags Firefox & Websites Popularity Rating Requires Restart

Display Country Flag indicating Website Physical Location (Country, State, City). Website Popularity (Live Visitor Statistics). Shows how many users are visiting any World Website per day. Website IP IPv6 Addresses, DNS, Hosting. IP Whois Lookup

Rated 4 out of 5 stars (16)
2,512 users