Convert Files - free online file converter Add-on

Download and conversion of videos hosted on YouTube and the like has never before been easier! Just surf the Web as you please and allow the add-on let you know when it finds what it can do for you. You will know when you see the icon change to . All you have to do then is click the now active button and watch a new tab open in your browser. Now just pick your output video format and click "Convert".

Click on the Add to Firefox button and the Software Installation window will appear.

Or visit Add-on page on


You'll get a warning message that reads, "Firefox prevented this site ( from asking you to install software on your computer."

After a brief countdown the Install Now button will be active.
Click on Install Now.

When the installation has completed select Restart Firefox.

Once Firefox restarts you will now be able to use your add-on.