Security & Privacy

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Decentraleyes Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (88)
75,839 users

AdBlocker Ultimate

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 (1,083)
410,467 users

Hoxx VPN Proxy

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Rated 5 out of 5 stars (1,670)
141,480 users

Toggle Mixed Active Content

An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content

Rated 5 out of 5 stars (11)
5,042 users

uBlock Origin Featured

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

Rated 5 out of 5 stars (881)
3,460,305 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (37)
76,015 users

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (98)
5,384 users

Disable WebRTC

WebRTC leaks your actual IP addresses from behind your VPN, by default.

Rated 5 out of 5 stars (41)
57,060 users

Bluhell Firewall 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 (319)
105,709 users

Native AdBlocker

한국 웹의 광고를 효율적으로 차단합니다.

Rated 5 out of 5 stars (7)
572 users

Silent Block

Minimum and fast URL blocker.

Rated 5 out of 5 stars (18)
6,742 users

AdStopEnforcer

Prevent boring messages like "disable your ad-blocker and refresh page to continue"

Rated 5 out of 5 stars (16)
3,730 users

Don't track me Google

Removes the annoying link-conversion at Google Search / maps / ...

Rated 5 out of 5 stars (10)
4,295 users

Simple Popup Blocker

Simply toggle between three different popup blocking modes: allow all, allow requested or block all. Now with tracking protection.

Rated 5 out of 5 stars (24)
21,169 users

I don't care about cookies

Get rid of annoying cookie warnings from almost all 'infected' websites!

Rated 4 out of 5 stars (82)
67,279 users

Smart Referer

Send referers only when staying on the same domain.

You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.

Rated 4 out of 5 stars (34)
9,860 users

Youtube's Annotations No More

Disable Youtube's annotations.

Rated 5 out of 5 stars (7)
2,638 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 (248)
56,810 users

Self-Destructing Cookies

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (579)
208,081 users

AdNauseam

Fight back against advertising surveillance

Rated 4 out of 5 stars (26)
17,818 users