Privacy & Security

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ZenMate Security & Privacy VPN No Restart Featured

Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.

Rated 4 out of 5 stars (108)
165,991 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension makes DuckDuckGo available in the address bar, search bar and right-click menu. Also adds a handy toolbar button with more features!

Rated 4 out of 5 stars (136)
163,416 users

Belgium eID

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (80)
157,692 users

Bluhell Firewall No Restart Featured

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (227)
139,818 users

FEBE Featured

FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.

Rated 4 out of 5 stars (634)
133,602 users

MEGA extension

The MEGA Firefox extension gives vastly improved download performance. Note: This extension hosted here is out of date. Please download the latest version hosted from our site here.

Rated 4 out of 5 stars (130)
129,046 users

Tamper Data

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Rated 4 out of 5 stars (128)
122,747 users

Cookies Manager+

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Rated 4 out of 5 stars (72)
118,166 users

AdBlock for YouTube™ No Restart

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (7)
111,667 users

Strict Pop-up Blocker No Restart

Quickly toggle between blocking all pop-up windows and allowing some pop-ups

Rated 4 out of 5 stars (54)
108,842 users

RequestPolicy Featured

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.

Rated 4 out of 5 stars (224)
105,960 users

Click&Clean

The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.

Rated 5 out of 5 stars (82)
104,245 users

Gmail Notifier (restartless) No Restart Featured

Multiple account (or label) Gmail notifier (without storing passwords)

Rated 4 out of 5 stars (226)
101,713 users

McAfee Security Scan Plus detection No Restart

This extension allows Adobe installers to detect McAfee Security Scan Plus software is installed on your PC.

Rated 1 out of 5 stars (12)
99,032 users

Bitdefender QuickScan

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 (58)
97,751 users

Saved Password Editor Featured

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (200)
93,707 users

AVG Do Not Track

Enhance your online internet privacy, protection and security with AVG Do Not Track! See which websites, applications and Ad Networks are tracking your information (using cookie technology) and choose whether or not to allow it.

Rated 3 out of 5 stars (9)
90,538 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 (113)
90,288 users

User Agent Overrider No Restart

Override browser user agent string

Rated 4 out of 5 stars (45)
86,427 users

RefControl

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

Rated 4 out of 5 stars (178)
81,786 users