Privacy & Security

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Fraudscore Compatible with Firefox 57+ Featured

Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.

Rated 4 out of 5 stars (6)
3,096 users

AdBlocker Ultimate Compatible with Firefox 57+ Featured

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (2,412)
411,851 users

Privacy Badger Compatible with Firefox 57+ Featured

Protects your privacy by blocking spying ads and invisible trackers.

Rated 4 out of 5 stars (187)
443,841 users

AdBlock for Firefox Compatible with Firefox 57+ Featured

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

Rated 4 out of 5 stars (162)
460,303 users

Popup Blocker (strict) Compatible with Firefox 57+ Featured

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Rated 4 out of 5 stars (64)
22,863 users

Cookie AutoDelete Compatible with Firefox 57+ Featured

Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs (Firefox 53+).

Rated 5 out of 5 stars (77)
13,956 users

Google search link fix Compatible with Firefox 57+ 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 (230)
62,310 users

Disconnect Compatible with Firefox 57+ Featured

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

Rated 4 out of 5 stars (254)
210,297 users

AdBlocker for YouTube™ Compatible with Firefox 57+ Featured

Removes all annoying Ads from YouTube

Rated 4 out of 5 stars (88)
278,940 users

Country Flags & IP Whois Compatible with Firefox 57+ Featured

Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon

Rated 5 out of 5 stars (28)
2,550 users

Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 4 out of 5 stars (1,603)
982,250 users

uBlock Origin Compatible with Firefox 57+ Featured

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (2,631)
3,879,059 users

Bloody Vikings! Compatible with Firefox 57+ Featured

Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.

Rated 5 out of 5 stars (67)
12,622 users

Blur Compatible with Firefox 57+ Featured

Protect your Passwords, Payments, and Privacy.

Rated 4 out of 5 stars (787)
81,585 users

lesspass Compatible with Firefox 57+ Featured

Use LessPass add-on to generate complex passwords and log in automatically to all your sites

Rated 5 out of 5 stars (16)
3,573 users