Privacy & Security

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Adblock Plus No Restart Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,301)
1,361,176 weekly downloads

anonymoX

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Rated 4 out of 5 stars (149)
295,483 weekly downloads

NoScript Security Suite Featured

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

Rated 5 out of 5 stars (1,320)
95,853 weekly downloads

Ghostery No Restart Featured

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (860)
91,425 weekly downloads

Adblock Plus Pop-up Addon

Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions.

Rated 4 out of 5 stars (161)
76,441 weekly downloads

DoNotTrackMe: Online Privacy Protection

Protect your privacy. Stop companies and advertisers from tracking your browsing and sending you spam email.

Rated 4 out of 5 stars (353)
66,801 weekly downloads

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

Rated 5 out of 5 stars (190)
65,238 weekly downloads

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 (15)
53,279 weekly downloads

Web of Trust - WOT Featured

Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs to help you make informed decisions about whether to visit a site or not.

Rated 4 out of 5 stars (1,339)
45,477 weekly downloads

auto-plugin-checker No Restart

The auto-plugin-checker informs you, whenever plugin updates are available - automatically.

Rated 5 out of 5 stars (11)
33,682 weekly downloads

LastPass Password Manager Featured

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Rated 4 out of 5 stars (1,036)
33,455 weekly downloads

Belgium eID

Use the Belgian electronic identity card (eID) in Firefox

Rated 3 out of 5 stars (47)
32,170 weekly downloads

AutoProxy Featured

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 (366)
24,860 weekly downloads

Disconnect Featured

Make the web faster, more private, and more secure.

Rated 5 out of 5 stars (80)
21,591 weekly downloads

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 (127)
19,411 weekly downloads

QuickJava Featured

Allows quick enable and disable of Java, Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth.

Rated 5 out of 5 stars (204)
19,094 weekly downloads

BetterPrivacy Featured

Remove or manage a new and uncommon kind of cookies, better known as LSO's.The BetterPrivacy safeguard offers various ways to handle Flash-cookies set by Google, YouTube, Ebay and others...

Latest updates: See bottom link 'version history'!

Rated 5 out of 5 stars (385)
18,214 weekly downloads

BlockSite

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

Rated 3 out of 5 stars (450)
15,514 weekly downloads

ProxTube - Unblock YouTube

In some countries YouTube videos are blocked! Unblock them with this Addon.
Supported countries: Germany, Netherlands, Spain, ...? not US compatible
Status+Support: proxtube.com & Twitter: twitter.com/ProxTube (EN/DE)

Rated 4 out of 5 stars (186)
15,325 weekly downloads

Tamper Data

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

Rated 4 out of 5 stars (115)
14,120 weekly downloads