Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.
Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.
Tab notifier 精選
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
QuickJava 需要重新啟動 精選
Adblock Plus 精選
討厭擾人的廣告嗎？害怕被追蹤嗎？痛恨一大片的橫幅廣告嗎？快安裝 Adblock Plus 讓您重拾網路控制權，自己決定想看的內容。
Adblock Plus 的一分鐘影片介紹（英文）：http://www.youtube.com/watch?v=oNvb2SjVjjI
Facebook™ Disconnect is an efficient firewall to disconnect third-party websites from accessing to your Facebook.
Forecastfox (fix version) 需要重新啟動 精選
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Print Edit 需要重新啟動 精選
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
Tile Tabs 需要重新啟動 精選
Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.
Smart HTTPS 精選
Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.
Beta builds on versions page!
A bulletproof approach to prevent YouTube from buffering videos
終於出現了，一個高效率的阻擋器，使用不多的 CPU 及記憶體資源。
Font Finder 需要重新啟動 精選
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
provides an easy access to messenger.com and notifies you of all new messages (via badge icon text)
A quick and minimalistic way to create bookmarks.
This add-on brings back the ability to change the page which is shown when opening a new tab.