Dark Reader
黑色主題,適用於任何網站。關愛眼睛,使用Dark Reader進行夜間和日間瀏覽。
1,298,636 位使用者
Ghostery – 隱私廣告攔截器
Ghostery是一個強效的隱私擴增功能。攔截廣告、制止追蹤器及加快網頁運行。
1,025,685 位使用者
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
59,589 位使用者
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
34,217 位使用者
Tampermonkey
Tampermonkey is the world's most popular userscript manager.
761,790 位使用者
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
145,771 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.
91,194 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!
73,416 位使用者
User Agent Switcher
修改瀏覽器的 User-Agent 字符串
64,067 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.
50,959 位使用者
WhatFont
A wrapper for Chengyin Liu's WhatFont tool
36,393 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.
34,265 位使用者
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
24,551 位使用者
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
16,350 位使用者
RESTED
A REST client for the rest of us
14,241 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)
14,131 位使用者
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13,593 位使用者
JSON Lite
Fast JSON viewer - highlights, shows items count/size, handles large files
11,635 位使用者
Empty Cache Button
Cache clearing made easy. One click.
11,276 位使用者
Save Screenshot
Saves the current page as image file or copies it to clipboard.
10,085 位使用者
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9,981 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.
8,024 位使用者
網頁剪貼簿
擷取網頁至本地或後端伺服器供檢索、組織、加註、編輯。
7,523 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.
7,352 位使用者