#1: Translate Text or Web Pages Directly from Firefox
The BabelFish Instant Translation add-on lets you translate words, paragraphs, or whole web pages from within Firefox by accessing external translation services for you.

#2: Another Way to Add Color to Firefox Tabs
ColorfulTabs adds colors to Firefox tabs, allowing you to choose presets depending on the domain.

#3: Display the Time Around the World in Your Status Bar
FoxClocks lets you display the local time for multiple cities in Firefox's status bar, allowing you to customize various display options and even show country flags.

#4: Keep the Status Bar Visible When Viewing Sites in Full Screen
If you find Firefox's status bar useful and miss it when displaying websites in full screen mode, this extension can keep it visible.

#5: Temporarily Hide the Tab Bar for More Web Browsing Space
To add space for web browsing, playing Flash games, viewing e-mail, etc., hide Firefox's tab bar with a keyboard shortcut.

#6: View Tabs in a Sidebar
Instead of viewing a tab bar near the top of Mozilla Firefox, view a sidebar with previews of open tabs.

#7: Tweak Firefox's Title Bar Text
Customize the text displayed in the title bar of Firefox to display the browser name, version, and/or page title.

#8: "Tape" a Virtual Sticky Note to your Monitor
The Really Simple Sticky extension for Firefox allows you to toggle viewing a "taped" virtual sticky note to help remind you of upcoming tasks.

#9: Preview Tabs as you Hover Over Them
Hover over tabs in Firefox to view thumbnail previews with the Tab Scope extension.

#10: Add Color to the Current or All Tabs
FabTabs adds colors to your Firefox tabs by calculating the dominant colors used in webpages.

#11: Display Google Services as a Toolbar or Dropdown Menu
GButts provides a customizable list of Google Services you can access from Firefox.

#12: Display the Number of Open Tabs in the Status Bar
See how many tabs are open in all of your Mozilla Firefox windows.

#13: Generate Passwords Automatically with pwgen
If you're tired of creating passwords every time you log into a new web service, the pwgen extension can generate passwords for you.

#14: Copy the Webpage Title to the Clipboard
For documentation purposes, copy the title of the current webpage to the clipboard for easy pasting into other applications.

#15: Add 'About' Options to Help Menu
The "About:About" extension offers convenient shortcuts to several "about" pages in Mozilla Firefox such as the cache, configuration, and 'Book of Mozilla'.

#16: Play the Snake Game
Play the classic snake game in Mozilla Firefox. Grab the food while dodging the borders and yourself as you grow.

#17: Test Websites by Resizing the Browser to Exact Dimensions
See how websites appear in different display resolutions by resizing the Mozilla Firefox web browser to exact dimensions.

#18: Play Ping Pong in Your Browser
Play the most basic of all computer games, ping pong, inside Mozilla Firefox.

#19: Switch Between Tabs in 3D
Add pizzazz to tab switching in Mozilla Firefox with FoxTab.

#20: Be Like George Costanza and Play a Clone of Frogger
Guide your frog across the street and river in this clone of a classic arcade game, playable inside Mozilla Firefox.

#21: Add Weather Forecasts to Your Status Bar
Is it raining outside? How hot or cold is the temperature? Find out merely by glancing at Mozilla Firefox's status bar.

#22: Play Tetris in Your Browser
Now you can play a game of Tetris, filling up row upon row of blocks from within Firefox.

#23: View Link Types Such as PDF, DOC, or ZIP
Find out exactly what type of link you are clicking on via Firefox with the Link Alert Add-In.

#24: Play Card Games in Your Browser
Play Aces Up, Canfield, Klondike, Spider, and other games from within Mozilla Firefox.

#25: View Pages Rendered in Firefox and Internet Explorer
Use the "IE Tab" add-on to see webpages rendered via Internet Explorer.

#26: Disable an Extension or Plugin without Uninstalling It
Temporarily turn off Mozilla Firefox extensions and plugins that you do not need.

#27: Test Your Internet Connection Speed
How fast are you currently accessing the Internet? These Mozilla Firefox extensions will tell you.

#28: Extensions and New Versions
Will your extensions work when upgrading to newer versions of Firefox?

#29: Right-Click to Search a Dictionary, Encyclopedia, or other Website
Query search engines, dictionaries, encyclopedias, or other data sources from Mozilla just by right-clicking text.

#30: View List of Installed Plug-Ins
Diagnose plug-in problems with Mozilla Firefox by viewing the list of installed software.

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