What are Firefox extensions?

Firefox extensions are small add-ons that enhance the Firefox browser with additional functionality. A Firefox extension may add anything from a toolbar button to a completely new feature.

Firefox extensions allow users to customize Firefox to meet their own requirements, while keeping the core Firefox browser small.

Download Firefox Extensions

The best place to download Firefox extensions is addons.mozilla.org.

Uninstall a Firefox Extension

If you have installed a Firefox extension that you no longer want, is it easy to remove that extension.

Open the <Tools> menu
Select <Extensions>
Select the extension which you want to remove
Click the <Uninstall> button

Create a Firefox Extension

To learn how to create a Firefox extension, visit the Mozilla developer center or read the How to create Firefox extensions tutorial.

Books on Firefox

Firefox Hacks

Firefox Hacks is ideal for power users who want to take full advantage of Firefox from Mozilla, the next-generation web browser that is rapidly subverting Internet Explorer's once-dominant audience. It's also the first book that specifically dedicates itself to this technology.

Firefox is winning such widespread approval for a number of reasons, including the fact that it lets users browse faster and more efficiently. Perhaps its most appealing strength, though, is its increased security something that is covered in great detail in Firefox Hacks.

Clearly the web browser of the future, Firefox includes most of the features that browser users are familiar with, along with several new features, such as a bookmarks toolbar and tabbed pages that allow users to quickly switch among several web sites.

Firefox Hacks offers all the valuable tips and tools you need to maximize the effectiveness of this hot web application. It's all covered, including how to customize its deployment, appearance, features, and functionality. You'll even learn how to install, use, and alter extensions and plug-ins. Aimed at clever people who may or may not be capable of basic programming tasks, this convenient resource describes 100 techniques for 100 strategies that effectively exploit Firefox.

Or, put another way, readers of every stripe will find all the user-friendly tips, tools, and tricks they need to make a productive switch to Firefox. With Firefox Hacks, a superior and safer browsing experience is truly only pages away.

Firefox and Thunderbird Garage

Enter your Firefox and Thunderbird Garage...where you master the incredible free software that's helping millions of people use the Web and email faster, more efficiently, and more safely. Your guides know Firefox and Thunderbird better than anyone. They're the Mozilla insiders who helped create them - sparking a new Internet revolution, in which real people take back the Internet from monopolists, spammers, and spyware artists!

The basics are just the beginning: this book shows how to customize and extend Firefox and Thunderbird so they'll work exactly the way you want, and do more than you ever thought possible. We're talking better productivity, faster searches, easier downloads, and more fun.

Discover why Firefox and Thunderbird blow away Internet Explorer and Outlook Express
Make Firefox even more secure: Manage passwords, clean caches and history, and more
Trash unwanted popups, ads, and other Web annoyances
Make the most of Firefox's built-in search tools and shortcuts
Create "live bookmarks" that update automatically
Harness tabbed browsing to get more done faster
Download files more quickly and reliably
Install today's hottest Firefox and Thunderbird plug-ins
Set up email, RSS, and newsgroup accounts fast - and manage them efficiently
Organize the messages you want, and dump the messages you don't want
Get under the hood! Hack Firefox and Thunderbird configuration files
Includes quick-references to keyboard/mouse shortcuts, security, and more...

With its easy, quick-learning modules, insider tips, rants, and blog entries, Firefox and Thunderbird Garage is far more than a software manual: it's your guide to the new Internet revolution!

Firefox Secrets

Firefox Secrets is a must read guide to anyone who wants to learn how to browse faster and more conveniently with Firefox. Firefox Secrets will teach you how to get the most from Mozilla, including how to find and use all the hidden features, extensions available to you. You'll learn:

Ways to ease the transition from Internet Explorer
A way to setup multiple "homepages" when you launch your browser
Read RSS feeds from within Firefox using a free extension
Where to download a new and less obtrusive "Download Manager"
The best "must-have" extensions to download as well as the "fun" ones
Two different ways to speed up Firefox downloads with prefetcher and pipelining
Firefox's secret features for Web Developers
And much, much more!

Firefox Secrets is the ultimate guide to the Web Browser that major magazines, newspapers and even Microsoft's own "Slate.com" website are recommending as the ultimate replacement to Internet Explorer.