Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
677 464 brukere
Prevent tabs opened by a hyperlink from hijacking the previous tab by adding the rel=noopener attribute to all hyperlinks (excluding same-domain hyperlinks).
10 201 brukere
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
144 600 brukere
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
622 200 brukere
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.
215 178 brukere
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
784 311 brukere
Finally, an efficient blocker. Easy on CPU and memory.
5 069 051 brukere
The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits. Disabled and can't reinstall? https://tinyurl.com/moz-ext-cert
1 581 952 brukere
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
900 552 brukere
En sikker og fri passordbehandler for alle dine PCer og mobiler
140 815 brukere
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
57 005 brukere
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
88 173 brukere