Advertising

• Block Flash ads/content : Flashblock2. Block ads on webpages : Adblock Plus
• Block ads on webpages : Adblock Plus
• Automatically update adblocker filters : Adblock Filterset.G Updater
  

  Archive/History

• See thumbnails of pages in session history : Reveal
• Create a log of browsing history : Slogger
• See sites visited today/yesterday/2 days ago/etc : History Menu
  

  Blogging

• Blog to LiveJournal/etc : Deepest Sender
• Know when blog content is under Creative Commons license : mozCC
• Blog about the current page : Scribefire for Firefox
• Blog to Blogger service : BlogThis
• Comment about the blog page : coComment
  

  Bookmarking

• Sync Firefox bookmarks on different computers : Bookmarks Synchronizer
• Bookmark at del.icio.us : Bookmark with Del.icio.us
• Bookmark at furl.net : Furl Tools
• Store and sync bookmarks online : Chipmark
• Edit bookmarks easily : Flat Bookmark Editing
• Search the bookmarks : Locate in Bookmark Folders
• Bypass/customize the add-bookmark dialog : OpenBook
• Store and sync bookmarks online : Foxmarks Bookmark Synchronizer
• Sync del.icio.us and Firefox bookmarks : Foxylicious
• Add a bookmark-here link in the bookmarks tree : Add Bookmark Here
  

  Chat

• Chat on the Internet Relay Chat (IRC) : ChatZilla
  

  Clips/Notes/Scrapbook

• Write a note about a webpage : QuickNote
• Save a webpage : ScrapBook
• Save clips from web pages : Clipmarks
  

  Customizing/Editing Website Display

• Customize a page and save as GreaseMonkey script : platypus
• Manage user styles for sites : Stylish
• Add/remove/change some features for sites : Aardvark
• Add/remove/change some features for sites : GreaseMonkey
  

  Discover

• See useful sites for pages geographically marked with ICBM/geo.position tags : GeoURL
• Discover new sites being recommended by others : StumbleUpon
  

  Downloading/Files/FTP

• Automatically save downloads to different directories : Download Sort
• Download all the links on a page (filter by type) : DownThemAll!
• Download/upload files using FTP : FireFTP
• Manage file downloads : FlashGot
• Open the download manager in another tab : Download Manager Tweak
• See download speed in a Status Bar : Download Statusbar
• Stop opening blank windows for downloads : Disable Targets For Downloads
  

  Email/Gmail/Webmail

• Manage multiple Gmail accounts : Gmail Manager
• Email the entire webpage : Amazing webpage emailer
• Treat plain text email address as link : text/plain
• Insert smiley icons in messages : Smiley Xtra
• Use webmail when mailto: link is clicked : WebMailCompose
• Insert custom signature into emails : Signature
• Use different Gmail accounts in different tabs : CookiePie
• Use disposable email addresses : Create disposable email addresses
• Be notified when new mail arrives at Gmail account : Gmail Notifier
  

  Financial/Stocks

• See prices in different currencies : ViewMyCurrency
• See stock prices in a ticker : StockTicker
  

  Google

• Add more links to Google search; remove ads : CustomizeGoogle
• Search Google and use other Google services : Google Toolbar for Firefox
• Display my Adsense earnings : Adsense Notifier
• View an unavailable page via Google archive : Cacheout!
  

  Internet Explorer

• View an Internet-Explorer-only webpage in Firefox : IE Tab
• View the same page in Firefox when it is open in Internet Explorer : FirefoxView
  

  Images/Graphics/Maps/Video

• Map an address; get directions : Map+
• Click on Google images thumbnail to get full image : Google Images Re-Linker
• Zoom in/out on an image : Image Zoom
• Save video of a URL in clipboard : Clipboard-Save-As
• Show ALT attribute in a popup bubble : Popup ALT Attribute
• Save background/un-save-able images on various sites : Background Image Saver
• Save all the images/media on a page : Magpie
  

  Links

• Copy the anchor text of a link : Copy Link Name
• Double click on plain text url to open it : Text Link
• See small icons to show different link types (secured, pdf etc) : TargetAlert
• Copy the anchor text of a link : Copy Link Text(CoLT)
• Download/open all/selected links on a page : Linky
• Treat a plain text url as a link : Fetch Text URL
• Treat a plain text url as a link : Linkification
• Select and open multiple links in one action : Open Selected Links
• Number the links and use the keyboard to navigate : Numbered Links
• Drag a link or picture and open it in a new tab : Super DragAndGo
• Wrap long links that require side scroll : MR Tech Link Wrapper
  

  Managing Extensions

• Sort the extensions list : Slim Extension List
• List installed extensions and themes : ListZilla
• Restart Firefox with one click : Restart Firefox
• List installed extensions and themes : InfoLister
• Backup all Extensions and themes : Compact Library Extension Organizer
• Edit extensions options from Tools menu : Options Menu
• Install and manage extensions locally : MR Tech Local Install
• See updates available for extensions : Update Notifier
• Backup installed extensions : Firefox Extension Backup Extension
  

  Mouse

• Use mouse gestures (auto/history/tab scrollers etc) : All-in-One Gestures
  

  Music

• Control iTunes or Winamp using Firefox : FoxyTunes
• Launch windows media player for embedded video : MediaPlayerConnectivity
  

  PDF

• Open PDF files in a new tab : PDF Download
  

  Passwords

• Remember my username and passwords on sites : Always Remember Password
• Create new different passwords for different sites : PasswordMaker
• Bypass mandatory registration of username and password for sites : BugMeNot
  

  Performance/Speed/Tuning

• See page loading statistics in a statusbar : Extended Statusbar
• Edit/delete/move the menu items : Menu Editor
• Use colorful menu icons : CuteMenus - Crystal SVG
• See page loading progress bar : Fission
• Edit userChrome.css/userContent.css/user.js : chromEdit
• Make the stop and reload button act as one button : Stop-or-Reload Button
• Minimize Firefox to system tray : MinimizeToTray
• Speed up Firefox : Fasterfox
  

  Print

• Remove unwanted text/image block before printing a page : Nuke Anything Enhanced
  

  Privacy

• Use multiple proxy sites to surf the web : SwitchProxy Tool
• Block phishing sites : NetcraftToolbar
• Clear the cache with one click on the toolbar : Clear Cache Button
• See where form information is being submitted : FormFox
• Use multiple proxy sites to surf the web : xyzproxy
• Surf the web without leaving a trace in my computer : Stealther
• Logon to Multiple Email Accounts and other services : CookieSwap
• Clear everything after the browsing session : X (Paranoia) Mod 0.6.5
• Add/edit cookies : Add N Edit Cookies
  

  Productivity

• Create a tiny url : TinyUrl Creator
• Add bookmarks to history to make auto-complete URL : AutoMarks
• Navigate up one folder level on a site : Uppity
• Automatically reload a page every few seconds : Reload Every
• Automatically show/close the sidebar with mouse motion : Optimoz Tweaks
• Add more search engines to Firefox search box : Mycroft
• Add a powerful multi-functional preference bar : PrefBar
• See all open tabs together on screen : Firefox Showcase
• Drag a link to a text area : DragToScroll
• Enhance search engine results with more information : BetterSearch
• Disable the install default countdown delay : MR Tech Disable XPI Install Delay
• Open links/mailto with external applications : Launchy
• Use a calendar : Mozilla Calendar
• Restore all open pages after a crash : Crash Recovery
• Use keyboard to go to next page/previous page : NextPlease!
• Remove content from pages permanently : Remove It Permanently
• See date and day in the status bar : Statusbar Clock
• See more search result/image entries on pages : repagination
• Use the keyboard for more functions : mozless
• Track time spent browsing / on a project : TimeTracker
• Restore the browser exactly as closed last time : SessionSaver
• Use a sidebar to control multiple functions : All-in-One Sidebar
• Switch between multiple sidebars : All-In-One Sidebar
• Smoothly scroll up/down the page : SmoothWheel
  

  RSS/Feeds/Livemarks

• Scroll LiveMarks feeds in a tickler : RSS Ticker
• Read RSS feeds : Sage
• Reload all LiveMarks : Reliby
• Read RSS feeds : Wizz RSS News Reader
• Add RSS feeds to web-based/desktop readers or reader extensions : LiveLines
• See newsfeeds/blogs raw xml with styles : Feedview
  

  Search

• Delete a search plugin : SearchPluginHacks
• Automatically resize the search box for longer terms : Searchbar Autosizer
• Search 1-25 custom chosen sites : Roll your Own Search for Firefox
• Preview thumbnails of search results in Google/Yahoo/etc : GooglePreview
• Choose from a list of search engines : Hyperwords
• Choose from a list of search engines : Groowe Search Toolbar
• Preview thumbnails of search results in Google/Yahoo/etc : Cooliris Previews
• Change the order of search engines : Search Engine Ordering
• Add search engines to context menu : ConQuery
• Search via contextmenu thru customized bookmark keywords : SmartSearch
  

  Search Engine Optimization

• See information about the site : About This Site
• See Google Pagerank in statusbar : Google Pagerank Status
• See search engine link counts and ranks for the page : SEO Links
• See Alexa information, search engine backlinks for a page : SearchStatus
• See search engine backlinks, analyze links, keyword density etc : SEOpen
  

  Security

• Manage cookies : CookieCuller
• Control more javascript options : JavaScript Options
• Allow javascript/java/plugins/etc only on trusted sites : NoScript
• See cookie information on page dialog : View Cookies
  

  Tabs

• Toggle the tab bar via chosen key : HideTabBar
• Use multiple tab rows : superT
• Manage tabs (add/move/etc) : Tabbrowser Preferences
• Manage tabs (multiple links/duplicate/close same domain/etc ) : Tab Mix Plus
• Undo/reopen the tab I just closed : Undoclosetab
• Move to next/previous tab via keyboard : SwiftTabs
• Marks some tabs as permanent : PermaTabs
• Change colors for different tabs : Colorful Tabs
• Duplicate a tab : Duplicate Tab
  

  Text (Copy/Cut/Paste/Spell/Translate)

• Fill web forms with name/address/email etc : Autofill
• Paste a url and load the page in one step : Paste and Go
• Translate selected text using google translation service : gTranslate
• Fill web forms with name/address/email etc : InFormEnter
• Find the selected word with search plugins : Context Search
• Find the meaning of selected word in a dictionary : Dictionary Tooltip
• Find the meaning of selected word from Google definitions : Inline Google Definitions
• Automatically copy the selected text to clipboard : AutoCopy
• Resize text areas in forums : Resizeable Textarea
• Find the meaning of selected word in a dictionary : DictionarySearch
• Highlight a paragraph and navigate with keys : Paragrasp
• Highlight every instance of a word/phrase on the page : Context Highlight
• Increase/decrease/back-to-normal text size of the page : Text size toolbar
• Copy plain text (without formatting/html) : Copy Plain Text
• See all tabs in one window : Viamatic foXpose
• Spell check text in form fields : SpellBound
• Write in WYSIWYG mode in a text area : Xinha Here!
  

  Weather

• See weather information : ForecastFox
• See weather information (+ radar images) : Forecastfox Enhanced
  

  Web Development

• Download an entire website : SpiderZilla
• Find the color code of a given pixel : ColorZilla
• See anchors on the page : Show Anchors
• See errors categorizxed by type : Console2
• Capture screenshots : ScreenGrab!
• Check the validity of links on a page : LinkChecker
• Copy and format selected text/title/url : Copy URL+
• Debug ajax/css/html/javascript : FireBug
• Debug javascript : JavaScript Debugger
• Write lorem ipsum content for test page : LoremIpsum Content Generator
• See cookie information for a page : View Cookies
• Change user agent for certain sites : User Agent Switcher
• Find whois information of the site : domainFinder
• Inspect the DOM of HTML, XUL, and XML pages : DOM Inspector
• Inspect the selected element with DOM Inspector : InspectThis
• Measure pixel width with a ruler : MeasureIt
• Modify http/https headers and post parameters : Tamper Data
• Preview the Adsense ads that might be shown on a page : Adsense Preview
• Run automated tests on a site : TestGen4Web
• Edit CSS stylesheet : EditCSS
• Analyze Website Performance : YSlow!
• View source with an external app : ViewSourceWith
• See Xpath information : XPather
• See current page’s heading structure in a sidebar : Document Map
• See IP address of the site : ShowIP
• Validate html : HTML Validator
• See how a page will look on mobile screen : Small Screen Rendering XPI
• See http headers of a page : Header Monitor
• See color contrast page information : Colour Contrast Analyser
• See web development references in a sidebar : DevBoi
• See GET and POST parmeters of the page : UrlParams
• Simulate WAP browsing by viewing WML : wmlbrowser
• Test nightly versions of Firefox : Nightly Tester Tools
• View css styles; view html in another app; validate css/html : Web Developer
• View page html source constructs directly on the page : X-Ray
• View rendered source : View Source Chart
• Capture screenshots : Pearl Crescent Page Saver

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