Browser Extensions are small computer programs that extend the functionality of web browsers. Extensions are used for everything from the practical (such as changing the user-interface of popular websites to improve them) to the frivolous (replacing all embedded video with Rick Roll videos).
All the major web browsers have browser-specific online databases to showcase user-submitted extensions: the Google Chrome Web Store, Mozilla’s Firefox Add-ons repository, Opera’s Add-ons and Themes gallery, and Microsoft’s Internet Explorer Gallery.
For more information about discovering, managing, and enjoying extensions, check out the following How-To Geek articles:
- How to Install Extensions From Outside the Chrome Web Store
- Convert Bookmarklets Into Chrome Extensions
- Replace Your Favorite Abandoned Extensions in Firefox with This List of Alternatives
- Access the Options for Your Favorite Extensions Easier in Firefox
- Beginner Guide for Greasemonkey Scripts in Google Chrome
- By Jason Fitzpatrick on 01/28/13