Best FireFoxAddOns

You can add a add-ons(some-times called plugging though technically different) to extend the functionality of your firefox web browser. There are lots of pluggins/Add ons to add but the best practice is to add as your requirement. Here is a list for most useful add-ons for firefox web browser.To add a pluggings goto Tools-->Add Ons-->Click on Add-Ons tab and then either search for a paticular Add -ons or browse all Add-ons.

Addons for all Web Users.
* Bookmarking -- Keeping Track of Links
* Music While You Surf -- Listen to your favorite music while you suft the web.
* Social Networking -- Connecting With Other People. be connected while using net.
* AnyColor -- Change Firefox to Any Color and create your own personalized.
* Integrated Gmail -- Very helpful for G-mail users. Gmail ,Google Calendar,Google Reader,Gmail Labs = Integrated Gmail.
* Last Tab Close Button -- It shows Close button on the last tab in Firefox 3.5*, which closes the last tab but not the browser.
* Personal Menu -- "Menus Toolbar" item is now available in Toolbar Context Menu and you may hide it forever!
* QuickPageZoom -- Zoom your page quickly.
* TidyRead -- TidyRead turns your web reading into a fast, smooth, no-fringe experience again. It intelligently extracts the core text of news articles and blog posts — even multi-page ones.

Addons for all Web Developers/Web Designers
* Get Information About a Webpage (or Site)
* IE View
* User Agent Switcher
* Web Developer
* Tiny url Creator
* Copy Plain text
* Open Java Console
* Make Link
* Edit CSS
* Java Script Debugger
* HTML Validator
* ColorZilla
* RSS Editor
* DocumentMap
* Link Checker

* SEOpen
* Header Monitor
* Fire FTP