uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10 451 243 brukere
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1 682 377 brukere
Bitwarden — Fri passordbehandling
En sikker og fri passordbehandler for alle dine PCer og mobiler
928 470 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.
240 074 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.
238 460 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.
207 680 brukere
RoboForm Password Manager
RoboForm Password Manager makes your life easier by remembering passwords and logging you into websites automatically
51 067 brukere
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
24 114 brukere
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1 056 580 brukere
Malwarebytes Browser Guard
Fast and safe browsing that protects your privacy. Block trackers, ads, phishing, and malicious content—so you stay secure and in control.
436 742 brukere
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
385 789 brukere
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
376 898 brukere
1Password: Password Manager
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.
352 153 brukere
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
304 353 brukere
NordVPN - a VPN proxy extension for Firefox
Looking for the best VPN extension for Firefox? NordVPN's Firefox VPN proxy extension lets you hide your IP, change your virtual location, and stay safe online with a click. Get a fast, secure, and unlimited VPN for Firefox!
294 202 brukere
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
235 506 brukere
ESET Browser Privacy & Security
Få utvidet nettleserbeskyttelse med ESET nettlesers personvern og sikkerhet – inkluderer den unike funksjonen Metadataopprydding, Sikkert søk og flere.
209 047 brukere
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
191 709 brukere
iCloud Passwords
iCloud Passwords lets you fill passwords from iCloud Keychain when signing in to websites using Firefox.
159 056 brukere
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
152 769 brukere
Norton Password Manager
Norton Password Manager. Free password security you can trust.
144 601 brukere
