Dark Reader
适用于任何网站的黑暗主题。关爱眼睛,就使用 Dark Reader 进行日常浏览。
1,312,637 个用户
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
56,209 个用户
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
787,939 个用户
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
131,178 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.
129,941 个用户
Ruffle
将 Flash 重新带回网络。
81,394 个用户
User Agent Switcher
修改浏览器的 User-Agent 字符串
62,116 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.
45,793 个用户
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
33,726 个用户
Bato Image Auto-Fixer
Detect broken bato.to images and automatically fix them.
32,232 个用户
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.
31,448 个用户
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
21,931 个用户
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15,111 个用户
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12,423 个用户
RESTED
A REST client for the rest of us
11,934 个用户
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)
11,879 个用户
Netmirror Extension
Add, modify or remove a header for any request.
11,716 个用户
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10,802 个用户
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
10,189 个用户
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
9,853 个用户
Empty Cache Button
Cache clearing made easy. One click.
9,696 个用户
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9,093 个用户
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
8,243 个用户
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
7,378 个用户