What are the most popular and most functional Firefox extenstions ?
- Block ads on webpages : Adblock Plus
- Use mouse gestures (powersurfing) : All-in-One Gestures
- Download manager in a statusbar : Download Statusbar
- Customize Google pages; remove ads : CustomizeGoogle
- Discover interesting sites being recommended by others : StumbleUpon
- Manage tabs (multiple links/duplicate/close etc ) : Tab Mix Plus
- Look up any word in dictionary : Answers
- Translate pages : Translator
- Download videos : Video DownloadHelper
- Block Flash ads or content : Flashblock
- Blog about the current page : Performancing for Firefox
- Clear the cache with one click on the toolbar : Clear Cache Button
- Surf the web without leaving a trace in my computer : Stealther
- View an Internet-Explorer-only webpage in Firefox : IE Tab
- See weather information : ForecastFox
- Download/upload files using ftp : FireFTP
- Speed up Firefox : Fasterfox
- Blog to Blogger service : BlogThis
- Synchronize Firefox bookmarks on different computers : Bookmarks Synchronizer
- Bypass mandatory registration of username and password for sites : BugMeNot
- Be notified when new mail arrives at Gmail account : Gmail Notifier
- See thumbnails of pages in session history : Reveal
- Store and sync bookmarks online : Chipmark
- Chat on the Internet Relay Chat (IRC) : ChatZilla
- Minimize Firefox to system tray : MinimizeToTray
- Use Gmail for space : Gmail Space
- Add/remove/change some features for sites : GreaseMonkey
- Block phishing sites : NetcraftToolbar
- Control iTunes using Firefox : FoxyTunes
- Use a sidebar to control multiple functions : All-in-One Sidebar
- Open PDF files in a new tab : PDF Download
- Save all the images/media on a page : Magpie
- Zoom in/out on an image : Image Zoom
- Search the bookmarks : Locate in Bookmark Folders
- Manage user styles for sites : Stylish
- Edit bookmarks easily : Flat Bookmark Editing
- Download/open all/selected links on a page : Linky
- Add a powerful multi-functional preference bar : PrefBar
- Add more search engines to Firefox search box : Mycroft
- Create a tiny url : TinyUrl Creator
- Track time spent browsing / on a project : TimeTracker
- Add RSS feeds to web-based/desktop readers or reader extensions : LiveLines
- Search up to 25 custom chosen sites : Roll your Own Search for Firefox
- See Alexa information, search engine backlinks for a page : SearchStatus
- Fill web forms with name/address/email etc : Autofill
- See all tabs in one window : Viamatic foXpose
- Automatically copy the selected text to clipboard : AutoCopy
- Change user agent for certain sites : User Agent Switcher
- Find the meaning of selected word in a dictionary : DictionarySearch
- Create new different passwords for different sites : PasswordMaker
