Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
58,192 位使用者
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
35,135 位使用者
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
142,221 位使用者
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.
90,198 位使用者
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
72,672 位使用者
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.
50,099 位使用者
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
33,690 位使用者
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15,878 位使用者
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
14,004 位使用者
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13,376 位使用者
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9,814 位使用者
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
7,885 位使用者
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7,212 位使用者
