擴充套件就像是在瀏覽器中安裝外掛。
它們為 Firefox 新增功能，讓上網變得更快、更聰明，或更好玩。
B!tch to Boss
Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.
3,077 位使用者
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
74,627 位使用者
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
117,004 位使用者
FoxyProxy Standard
FoxyProxy 是可以完整取代 Firefox 有限的代理能力的先進代理管理工具，它提供比 SwitchProxy、ProxyButton、QuickProxy、xyzproxy、ProxyTex、TorButton 等工具更多的功能。
185,152 位使用者
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.
2,085,106 位使用者
Decentraleyes
保護您不受「免費」、中心化的內容傳遞網路（CDN）的追蹤。此附加元件可防止您的瀏覽器送出請求到 Google Hosted Libraries 這類的服務，並在本機提供程式庫以達到相同的效果，而不造成網頁錯誤。可補充一般內容封鎖器的功能。
292,689 位使用者
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,082,503 位使用者
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
1,102,225 位使用者
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
97,240 位使用者
MYKI Password Manager & Authenticator
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
3,996 位使用者
