Media Converter is a very easy-to-use addon based on versatility and speed. It converts from and to the most common formats and even more, because to be honest with you I found file types I never heard of before. The interface is easy to read and the steps you need to follow are easy to understand.
Download and convert online videos directly from your browser without the need for special software.
This is a video downloader and video converter in one simple extension.
It is a browser add-on which lets you search via your favorite search engine
The WOT add-on is a crowd-sourced enhancement to your browser protection
