Firefox Plugins are little different than Firefox Extensions.

Here is Mozilla’s short definition:

“Plugins help your browser perform specific functions like viewing special graphic formats or playing multimedia files. Plugins are slightly different from extensions, which modify or add to existing functionality.”

You can run a quick check to see which plugins you cureently have installed.

Just go to your Location Bar and type about:plugins

 

 

You’ll be given a comprehensive list of all your installed plugins:

 

Click to Enlarge

 

Here are some links to the most popular Plugins for the Firefox browser:

• Adobe Reader – View PDF files
• Adobe Flash Player – Flash player
• Java – Run applications and applets that use Java technology.
• Quicktime – Audio/Video player
• Real Player Audio/Video player
• Shockwave – Shockwave player
• Windows Media Player – Audio/Video player