Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
381,411 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
61,601 个用户
PocketTube: Youtube Subscription Manager
The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.
20,553 个用户
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
1,045,273 个用户
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
720,555 个用户
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。
504,644 个用户
Browsec VPN - Free VPN for Firefox
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
461,388 个用户
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
292,803 个用户
Zoom Extension
Recommended, support FireFox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. you can start an instant meeting or schedule a future meeting via a button.
238,840 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.
227,550 个用户
Google Translator for Firefox
有了这个附加组件，您就可以翻译任何文字到您的语言，只需一键点击或用快捷键。您可以翻译选定的文本，这样翻译的文本将覆盖原来选定的文本，或者您也可以翻译整个页面。
199,267 个用户
Full Web Page Screenshots (♥♥♥♥♥)
FireShot 创建完整的网页截图。 截图可以被快速注释以及： ✓ 上传到 Picasa、Flickr、ImageShack... ✓ 以 PNG、GIF、JPEG、PDF 、BMP格式保存到磁盘 ✓ 复制到剪贴板 ✓ 打印 ✓ 使用电子邮件发送 ✓ 在外部编辑器中打开
161,067 个用户
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
136,171 个用户
ImTranslator - 在线翻译
ImTranslator提供的最方便的在线翻译超过50种语言访问。 ImTranslator包括在线翻译，词典，文本到语音，虚拟键盘，拼写检查，俄罗斯解码器，回译，电子邮件服务。
122,198 个用户
Awesome Screenshot & Screen Recorder
Full page screen capture and screen recorder 2 in 1. Share screencast video instantly.
100,739 个用户
