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。
244,221 个用户
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
100,935 个用户
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
97,680 个用户
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
86,391 个用户
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27,915 个用户
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
20,560 个用户
Port Authority
Blocks websites from using javascript to port scan your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
1,433 个用户
React Developer Tools
React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the "⚛️ Components" or "⚛️ Profiler" tab.
200,565 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
176,263 个用户
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
157,728 个用户
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
87,557 个用户
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
82,191 个用户
