Privacy & Security

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Fasterfox Lite Requires Restart

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 (235)
51,298 users

Browser-Security

Browser Security - DER Schutz vor Phishing und Malware

Rated 4 out of 5 stars (17)
51,255 users

Windscribe - Internet as it Should Be

Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.

Rated 4 out of 5 stars (56)
51,177 users

GPO For Firefox Requires Restart

Manage Firefox preferences through GPO.

Rated 4 out of 5 stars (17)
50,278 users

Private Tab Featured

Adds private tabs.

Rated 5 out of 5 stars (243)
50,276 users

KeeFox Requires Restart

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 (1,115)
49,736 users

JavaScript on-off applet Requires Restart

Applet for JavaScript simple On/Off

Rated 4 out of 5 stars (8)
47,879 users

Bitdefender QuickScan Requires Restart

The quickest way to find out if your computer is infected!
Bitdefender QuickScan is a very fast antivirus scanner, able to determine in a matter of seconds if a system is infected with malware.
More on http://quickscan.bitdefender.com/faq

Rated 4 out of 5 stars (63)
47,105 users

Bitdefender TrafficLight for Firefox Compatible with Firefox 57+

Bitdefender TrafficLight adds a strong and non-intrusive layer of security to your browsing experience

Rated 3 out of 5 stars (69)
45,929 users

Ad-Blocker

Ad Blocker lets you block all ads, tracking & malware from the web world. It is an effective solution to browse the web without offensive and annoying ads you hate to see.

Rated 4 out of 5 stars (143)
44,909 users

User Agent Overrider

Override browser user agent string

Rated 5 out of 5 stars (61)
43,621 users

Autofill Forms Requires Restart

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

Rated 3 out of 5 stars (394)
41,984 users

AdBlocker Lite

block ads seamlessly on popular websites

Rated 4 out of 5 stars (31)
37,103 users

ProCon Latte Content Filter

Block sites containing pornography, or any other kind of material, based on simple keyword lists.

Rated 4 out of 5 stars (256)
37,076 users

Flash Control

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

Rated 4 out of 5 stars (69)
36,310 users

signTextJS plus

window.crypto.signText replacement plus enhancements

Rated 4 out of 5 stars (17)
35,889 users

uMatrix Featured

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Rated 5 out of 5 stars (126)
35,182 users

JavaScript Deobfuscator

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 (23)
33,923 users

Disable Anti-Adblock Requires Restart

Disables anti-adblocker scripts

Rated 4 out of 5 stars (69)
33,266 users

Stealthy

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 (70)
32,940 users