uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10 064 743 brukere
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1 524 813 brukere
Bitwarden — Fri passordbehandling
En sikker og fri passordbehandler for alle dine PCer og mobiler
885 718 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.
265 841 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.
264 547 brukere
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
56 334 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.
16 911 brukere
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1 373 688 brukere
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
457 617 brukere
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
451 358 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.
386 107 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.
363 671 brukere
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
358 553 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!
263 127 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.
241 628 brukere
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
240 717 brukere
ESET Browser Privacy & Security
Få utvidet nettleserbeskyttelse med ESET nettlesers personvern og sikkerhet – inkluderer den unike funksjonen Metadataopprydding, Sikkert søk og flere.
199 883 brukere
Norton Password Manager
Norton Password Manager. Free password security you can trust.
189 727 brukere
KeePassXC-Browser
Official browser plugin for the KeePassXC password manager (https://keepassxc.org).
120 560 brukere
iCloud Passwords
iCloud Passwords lets you fill passwords from iCloud Keychain when signing in to websites using Firefox.
106 374 brukere
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
106 288 brukere
Surfshark VPN Extension
Browse the web safely with secure, private internet access for the Firefox browser extension.
100 384 brukere
