Privacy & Security


Link Alert

Displays an icon in the tooltip or next to the cursor indicating the target of a link.

Rated 4 out of 5 stars (120)
81,290 users


Control what gets sent as the HTTP Referer on a per-site basis.

Rated 4 out of 5 stars (180)
80,396 users

Stealthy No Restart

Does your country/organization block you from facebook, youtube or others?
Is the service you want unavailable in your country?
Stealthy is the solution for you.
Unlike other extensions we do the work of look for fast proxies for you.

Rated 3 out of 5 stars (113)
79,973 users


This addon blocks sites containing pornographic materials.

Rated 3 out of 5 stars (76)
79,149 users

YouTube™ AdBlock No Restart

YouTube™ AdBlock removes all sorts of advertisement from YouTube

Rated 4 out of 5 stars (10)
77,978 users

User Agent Overrider No Restart

Override browser user agent string

Rated 4 out of 5 stars (50)
72,995 users

Private Tab No Restart Featured

Adds private tabs.

Rated 5 out of 5 stars (204)
72,985 users

Multifox No Restart Featured

An extension that allows Firefox to connect to websites using different user names. Simultaneously.

*** Multifox 2 users: try the "Window Mode" (Addons - Multifox - Options) ***

Rated 4 out of 5 stars (87)
70,907 users

Google search link fix No Restart Featured

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (116)
66,262 users


Are you concerned about your privacy? Or, are you blocked from some websites by a firewall? And, are you arming yourself with a proxy? In that case, AutoProxy is designed for you! A tool to help you use your proxy automatically & efficiently.

Rated 4 out of 5 stars (416)
65,642 users

Autofill Forms

Autofill Forms enables you to fill out web forms with one click.

Rated 3 out of 5 stars (395)
65,356 users

Ad Killer

An easy-to-use tool to permanently ban specific annoying ads from your web experience. No typing required - just point and click.

Rated 3 out of 5 stars (73)
65,280 users

Fasterfox Lite

Fasterfox Lite: Performance and network tweaks for Firefox, without the Enhanced Prefetching. This is a fork from the original "Fasterfox".

Rated 4 out of 5 stars (251)
62,605 users

Empty Cache Button

Cache clearing made easy. One click.

Rated 4 out of 5 stars (84)
61,738 users


Show the IP address of the current page in the status bar. It also allows querying custom information services by IP (right click) and see location and avaiable vouchers for shopping sites. Additionally you can copy the IP address to the clipboard.

Rated 3 out of 5 stars (285)
61,389 users

SSL Version Control No Restart

Turns off SSLv3 by default, and adds a simple preference to set the minimum SSL version that Firefox will accept (in Tools / Add-ons).

Rated 3 out of 5 stars (32)
60,480 users

ProCon Latte Content Filter

Block web pages containing pornography or any other type of material based on keyword lists.

Rated 4 out of 5 stars (237)
58,303 users

JavaScript Deobfuscator No Restart

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Rated 5 out of 5 stars (19)
57,788 users

Flash Control No Restart

Controls as and when to display the Flash player and the HTML5 player.

Rated 4 out of 5 stars (53)
57,757 users

KeeFox Featured

Simple and secure password management. Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned KeePass Password Safe.

Rated 5 out of 5 stars (1,063)
57,170 users