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 (4,200)
18,423,626 users

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 (1,294)
2,265,579 users

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 (1,300)
1,337,641 users

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 (154)
1,199,536 users

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 (810)
1,083,997 users

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 (382)
650,176 users

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 or bribes...

Rated 5 out of 5 stars (162)
597,171 users

anonymoX

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

No proxies or other programs required

Rated 4 out of 5 stars (131)
487,765 users

Lightbeam for Firefox No Restart Featured

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 3 out of 5 stars (303)
472,011 users

DoNotTrackMe: Online Privacy Protection Featured

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

Rated 4 out of 5 stars (324)
453,297 users

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 (182)
395,577 users

QuickJava Featured

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

Rated 5 out of 5 stars (200)
289,703 users

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 (1,016)
262,211 users

DuckDuckGo Plus No Restart Featured

DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo as the default address bar, search bar and right-click search engine. Adds a handy toolbar button for easy access to !bang tags. Adds DuckDuckGo instant answers to Google/Bing.

Rated 5 out of 5 stars (97)
231,678 users

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 (445)
211,293 users

Password Exporter

This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.

Rated 4 out of 5 stars (272)
191,264 users

Disconnect Featured

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

Rated 4 out of 5 stars (60)
185,298 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 (541)
161,276 users

MEGA extension

Install the MEGA Firefox extension for vastly improved download performance. It will allow you to batch-download an unlimited number of files without any size restrictions from MEGA.

Rated 4 out of 5 stars (92)
158,454 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 (89)
146,214 users