uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7 213 228 brukere
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1 393 507 brukere
Privacy Badger
Automatically learns to block invisible trackers.
1 129 362 brukere
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
971 376 brukere
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
912 283 brukere
Bitwarden — Fri passordbehandling
En sikker og fri passordbehandler for alle dine PCer og mobiler
688 373 brukere
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
468 698 brukere
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
266 606 brukere
Decentraleyes
Beskytter mot sporing gjort av "gratis" sentralisert innholdslevering. Den hindrer mange forespørsler fra å nå nettverk som Google Hosted Libraries, og tilbyr lokale filer for å avverge rotede nettsteder. Bistår vanlige innholdsblokkerere.
230 319 brukere
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported
214 985 brukere
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
188 204 brukere
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
91 890 brukere
Disconnect
Make the web faster, more private, and more secure.
83 648 brukere
Block Site
A customizable, password-protected website blocker and redirector.
66 544 brukere
Don't track me Google
Removes the annoying link-conversion at Google Search / maps / ...
64 531 brukere
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
63 401 brukere
Popup Blocker (strict)
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
62 275 brukere
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
56 147 brukere
CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
24 558 brukere
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18 880 brukere
History Cleaner
Deletes browsing history older than a specified number of days.
15 621 brukere
Adblock Plus
One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
3 386 053 brukere