Firefox Relay
FoxyProxy Standard
FoxyProxy是一个高级的代理管理工具，它完全替代了Firefox有限的代理功能。它提供比SwitchProxy、ProxyButton、 QuickProxy、xyzproxy、ProxyTex、TorButton等等更多的功能。
172,656 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。
662,233 个用户
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
582,173 个用户
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
80,033 个用户
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
1,921,701 个用户
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,705,954 个用户
DuckDuckGo Privacy Essentials
隐私保护，操作简单。当您遨游于网络时，我们的插件所提供的隐私保护功能能够让您时刻掌控个人信息安全：跟踪阻断、更智能化的加密方式、DuckDuckGo隐私保护搜索等等。
1,436,652 个用户
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
163,951 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。
147,510 个用户
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
175,114 个用户
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
1,921,701 个用户
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
582,173 个用户
YouTube mp3
The 320 kbps YouTube mp3 addon generates a "MP3" button on YouTube. Convert YouTube to mp3 and download the file to your device.
40,644 个用户
