How many times have you seen a video on YouTube or Google and wanted to download it and save it on your PC? Well, if you use a Mozilla Firefox browser you can do it with this extension: Firefox Video Downloader. Once installed in your Mozilla browser, all you have to do is click on a button to download any video you`re watching on any webpage on the Internet. Firefox Video Downloader doesn`t only work with YouTube and Google, but also with over 50 more webpages, and the best is that this number is increasing every day!