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。
228,595 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.
95,428 个用户
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
91,590 个用户
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
82,540 个用户
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
26,340 个用户
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
19,656 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.
187,769 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
162,728 个用户
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
147,985 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.
85,186 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.
69,327 个用户
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
59,445 个用户
