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Yelp Search Toolbar
Requires Restart
YELP SEARCH TOOLBAR, NOW IT MORE EASY TO REVIEW & TALK ABOUT WHAT'S GREAT - AND NOT SO GREAT - IN YOUR AREA
Yet Another Remove It Permanently
Requires Restart
Remove elements and block content on Web pages.
Yoolki Arabic Keyboard
Requires Restart
Write arabic text "bil 3arabi" on any web page without the need for an Arabic Keyboard.
YouTube Anywhere Player
Watch videos anywhere in cinema mode without leaving the website you're on.
YouTube Downloader and Converter
Requires Restart
Easy to Download YouTube Videos in FLV and MP4 and Convert to MP3,AVI etc.
Youtube Downloader Gold
This extension to download audio and video from popular video hosting YouTube. To download the available formats mp4, webm, mp4a, mp3.
Youtube MP3 Podcaster
Requires Restart
Self contained add-on for downloading youtube videos to mp3 for easy listening on podcasting gadgets like a Zune or iPod
YouTube Video Player Pop Out
YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.
YouTube Videos Download in one click
Requires Restart
Download YouTube videos by clicking a button underneath videos in YouTube. Save YouTube videos and songs in 1080p (HD) MP4 or FLV format.
ZenbuShiitake
Requires Restart
Zhong Wen
Requires Restart
Mouse over a Chinese character to find out it's meaning. A popup will appear showing the 'Pinyin' pronunciation, the simplified character form, and the English translation. You can customize what parts to show on the preferences window.
Ziftr Alerts (formerly FreePriceAlerts)
You do the shopping. We'll do the searching. It's that simple.
Zing! Locale Switcher
Want to change from one language to another? Zing! and the locale is switched.
ZoneMinder Client
Requires Restart
ZoneMinder Client is a Firefox Extension that provides toolbar buttons and other features to help you when connecting to your ZoneMinder Server.
Zorcher
Requires Restart
Selecting a small text on the page do not need to copy it into the search bar of your browser or search engine. Just press the right mouse button and select the search service from the available list.
Словарь синонимовъ RU
Requires Restart
Adds to browser Russian(RU) synonyms dictionary from package LibreOffice.
ע\ع (Ayn\Ayn) Lookup [former ע\ع Converter]
Requires Restart
GP text research tool: transliterates Arabic/Syriac/Aramaic texts to Hebrew writing system, uses Wikipedia as a dictionary utilizing ¨see in anther language¨ links. Interface to dictionaries and encyclopedias. Select a text and use the context menu.
To create your own collections, you must have a Mozilla Add-ons account.