uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,797,652 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,051,671 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
2,236,066 users
Bitwarden Password Manager
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
726,115 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
450,205 users
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.
369,362 users
VPN
Time to Level Up Privacy with SandVPN: FREE, FAST, UNLIMITED PROXY! Bypass Geo-Blocking and be free and anonymous online
43,941 users
ESET Browser Privacy & Security
Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more.
137,093 users
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.
326,428 users
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!
146,231 users
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.
302,144 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
539,000 users
Free VPN Proxy & Ad Blocker - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
51,205 users
ZenMate Free VPN
ZenMate VPN - The best free Firefox VPN extension to hide your IP. Encrypt your connection, access our secure proxy servers & unblock websites easily.
84,977 users
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
28,899 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
180,119 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
62,111 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
512,021 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
263,558 users
Surfshark VPN Extension
Enjoy unrestricted internet while keeping online activity and personal information secure!
84,401 users
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
48,433 users
Authenticator
Authenticator generates 2-Step Verification codes in your browser.
86,479 users
NordPass® Password Manager & Digital Vault
NordPass is your freedom from password stress. Generate and securely store strong passwords and autofill them with a single click.
22,490 users
Proton VPN: a Swiss VPN you can trust
Secure your internet and protect your online privacy in one click.
17,720 users
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.
209,518 users