Changes

They allow the application to be customized to fit the personal needs of each user if

they need additional features, while keeping the applications small to download.

The main purpose of Firefox Extension is to add some new features to Firefox; those features vary

from a simple toolbar button to a totally new functionality. By offering such extensions, it is

Extensions examples are Deutsches Wörterbuch, Download Statusbar, Dictionnaire MySpell, Adblock

Plus, and Forecastfox.

* What is a Firefox Theme?