Security & Privacy
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.
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
Watch age restricted YouTube videos without signing in.
An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content
FireX Proxy extension.
View source code of Firefox addons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere.
Preventing to open content farm by mistake
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.
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+).
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon
uBlock Origin Compatible with Firefox 57+ Featured
Finally, an efficient blocker. Easy on CPU and memory.
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.
한국 웹의 광고를 효율적으로 차단합니다.
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
Allows all sites to be loaded in iframes, despite X-Frame-Options header settings.
Parental control app that denies access to porn sites. It uses a semantic parser that scans and blocks all kind of adult content.
Block ads and manage proxy.
Blocks access to websites with adult content. The easiest way to protect your children and your family against porn.