Security & Privacy

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Decentraleyes

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 (168)
73,364 users

AdBlocker Ultimate Compatible with Firefox 57+

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 (2,392)
404,876 users

Ageless for YouTube Compatible with Firefox 57+

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (61)
10,065 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 (14)
3,436 users

FireX Proxy

FireX Proxy extension.

Rated 5 out of 5 stars (23)
4,285 users

Extension source viewer Compatible with Firefox 57+

View source code of Firefox addons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere.

Rated 5 out of 5 stars (12)
720 users

Content Farm Blocker Compatible with Firefox 57+

Preventing to open content farm by mistake

Rated 5 out of 5 stars (12)
1,251 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 (34)
90,095 users

Cookie AutoDelete Compatible with Firefox 57+

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 (72)
12,737 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 (3,339)
211,542 users

Country Flags & IP Whois Compatible with Firefox 57+

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

Rated 5 out of 5 stars (23)
2,269 users

uBlock Origin Compatible with Firefox 57+ Featured

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

Rated 5 out of 5 stars (2,599)
3,822,007 users

Containers On The Go Compatible with Firefox 57+

This add-on allows you to quickly log into several online accounts at the same time from the same Firefox browser.

The add-on will instantly create new containers for the new tabs. The containers are automatically removed when the tabs are closed.

Rated 5 out of 5 stars (7)
246 users

Native AdBlocker

한국 웹의 광고를 효율적으로 차단합니다.

Rated 5 out of 5 stars (7)
277 users

Bluhell Firewall

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

Rated 4 out of 5 stars (463)
67,146 users

Ignore X-Frame-Options

Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.

Rated 5 out of 5 stars (20)
2,818 users

Parental Control: Porn Blocker

Parental control app that denies access to porn sites. It uses a semantic parser that scans and blocks all kind of adult content.

Rated 5 out of 5 stars (63)
2,895 users

Pan

Block ads and manage proxy.

Rated 5 out of 5 stars (81)
4,166 users

Porn Blocker

Blocks access to websites with adult content. The easiest way to protect your children and your family against porn.

Rated 4 out of 5 stars (82)
7,806 users

AdBlocker for Gmail™ Compatible with Firefox 57+

Removes all annoying Ads and Banners from Gmail

Rated 5 out of 5 stars (11)
13,571 users