- uBlock Origin- Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory. - 9,961,037 users
- AdGuard AdBlocker- Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites. - 1,537,699 users
- Bitwarden Password Manager- At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information. - 862,709 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. - 259,345 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. - 256,546 users
- SingleFile- Save an entire web page—including images and styling—as a single HTML file. - 77,489 users
- RoboForm Password Manager- RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically - 54,045 users
- FoxyTab- Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer - 19,960 users
- Port Authority- Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts. - 18,662 users
- AdBlocker Ultimate- Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware. - 1,294,670 users
- Malwarebytes Browser Guard- The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content. - 439,898 users
- LastPass Password Manager- LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device. - 422,297 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. - 371,634 users
- Kaspersky Protection 2021- Your protection on the Internet with extension from Kaspersky Lab - 350,806 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. - 328,320 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! - 263,721 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. - 234,390 users
- Web Threat Shield- Keeps you safe when browsing the web by identifying and blocking dangerous websites. - 227,840 users
- ESET Browser Privacy & Security- Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more. - 201,670 users
- Norton Password Manager- Norton Password Manager. Free password security you can trust. - 179,299 users
- Authenticator- Authenticator generates 2-Step Verification codes in your browser. - 129,695 users
- KeePassXC-Browser- Official browser plugin for the KeePassXC password manager (https://keepassxc.org). - 119,450 users
- Proton Pass- Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser. - 106,284 users
- iCloud Passwords- iCloud Passwords lets you fill passwords from iCloud Keychain when signing in to websites using Firefox. - 103,632 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. - 98,823 users
























