Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The first and only download manager/accelerator built inside Firefox!
The most lightweight and easiest translator. Translate between more than 50 languages with one click or a hot key. Translate from one word to a whole page.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Shows full image when you hover over a thumbnail. Works with Amazon, Baidu Images, Bing Images, Facebook, Flickr, Google+, Google Images, IMDb, LinkedIn, Netflix, Pinterest, Reddit, Twitter, Yandex, YouTube, Wikipedia, Yahoo Images, & many more.
Multiple account (or label) Gmail notifier (without storing passwords)
With gTranslate you can translate any text in a webpage just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
Play all videos on youtube without flash in your preferred size using only HTML5.
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
Make any pages' search functionality available in the Search Bar (or "search box")...
Tired of going to History -> Recently Closed Tabs just to undo a closed tab? Then this extension is for you!
This extension allows you to undo closed tabs via a toolbar button or the right-click context menu.
Cryptocat lets you instantly set up encrypted conversations. It's an open source, private, safer chatting alternative. Cryptocat uses the OTR encrypted messaging protocol to offer accessible communications to everyone.
Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.
Move Firefox Button to anywhere you want, and make it also available in Full Screen mode, or when Menu Bar is showing.
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