LastPass Password Manager
LastPass是一款让您的上网浏览更便捷更安全的免费在线密码管理器和表单过滤器。LastPass以插件的形式支持IE和Firefox（Opera, Safari, Chrome, iPhone,Opera 通过书签小工具形式支持），它允许您从任何主流的密码存储器导入和导出密码，捕获其它管理器无法捕获的密码包括很多AJAX表单。它也允许您轻松地创建强大的密码。您的敏感信息在上传之前已在本地计算机上加密，因此就算是LastPass的员工也无法得到密码信息。一次性密码和屏幕键盘帮助保护您的主密码。
766,667 个用户
HTTPS Everywhere - 加密网络
加密网络！HTTPS Everywhere 是一个保护通信的 Firefox 扩展。它对支持加密的网站自动开启 HTTPS 通信加密，即使你在输入网址时没有加上 https: 前缀也一样。
719,713 个用户
Decentraleyes
保护您免受集中式的内容交付网络（CDN）的跟踪。它可以拦截许多种链向 CDN 的请求，转而指向本地提供的文件，从而防止网站功能受损。辅助常规的内容过滤规则。
222,532 个用户
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
70,062 个用户
SingleFile | 将完整的页面保存到一个 HTML 文件中
SingleFile 网页保存（Save Page）扩展，离线保存当前网页、多个标签页、当前选中的内容，更多高级功能例如：自动保存、定期保存，等待你的探索！
39,136 个用户
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
5,547 个用户
Avast Online Security
Avast 为您的 Firefox 浏览器提供保护。 使用最新版 Avast 浏览器安全和 Web 信誉插件让您高枕无忧，同时改善您的整体浏览器体验。检查下面的功能列表，
591,660 个用户
Malwarebytes Browser Guard
The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
509,131 个用户
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
284,528 个用户
Avira Browser Safety
Avira Browser Safety helps identify internet addresses that are harmful to your system when you are browsing the web and protects your privacy by preventing invisible trackers.
216,078 个用户
1Password
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.
157,796 个用户
Popup Blocker Ultimate
Best Popup Blocker for Firefox. (Best in Rating, Performance, This addon does NOT track user activities same as others)If your Firefox version is not 57+ please install version 8.1 from Official website.
66,735 个用户
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.
62,739 个用户
AVG Online Security
AVG 为您的 Firefox 浏览器提供保护。 使用最新版 AVG 浏览器安全和 Web 信誉插件让您高枕无忧，同时改善您的整体浏览器体验。检查下面的功能列表，
58,529 个用户
Kee - Password Manager
Save time, sign in easily to websites and avoid the hassle of forgotten password resets. Protect yourself and people you know from the nightmare of your accounts being hacked.
32,790 个用户
NordPass® Password Manager & Digital Vault
The NordPass password manager offers an easy way to safely store and manage all your passwords in an encrypted vault. Autofill forms effortlessly and log in to your favorite websites instantly. All key features to simplify your life.
14,218 个用户
Sticky Password manager & safe
Never forget a password again. Sticky Password manager saves them securely and types them for you as you browse. Automatically!
13,239 个用户
SafeInCloud Password Manager
This extension allows to paste logins and passwords from SafeInCloud application.
7,940 个用户
