uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9 942 864 brukere
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1 527 087 brukere
Bitwarden — Fri passordbehandling
En sikker og fri passordbehandler for alle dine PCer og mobiler
860 407 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.
259 592 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.
257 794 brukere
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
53 756 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.
18 134 brukere
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1 305 415 brukere
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
438 337 brukere
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
424 724 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.
371 859 brukere
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
349 143 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.
329 312 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!
260 663 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.
234 519 brukere
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
227 372 brukere
ESET Browser Privacy & Security
Få utvidet nettleserbeskyttelse med ESET nettlesers personvern og sikkerhet – inkluderer den unike funksjonen Metadataopprydding, Sikkert søk og flere.
199 957 brukere
Norton Password Manager
Norton Password Manager. Free password security you can trust.
179 432 brukere
KeePassXC-Browser
Official browser plugin for the KeePassXC password manager (https://keepassxc.org).
119 436 brukere
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
105 074 brukere
iCloud Passwords
iCloud Passwords lets you fill passwords from iCloud Keychain when signing in to websites using Firefox.
102 290 brukere
Surfshark VPN Extension
Browse the web safely with secure, private internet access for the Firefox browser extension.
97 189 brukere
