Download videos directly from your web browser with one of Firefox's web browser extensions. Extensions are add-ons or plugins that add extra capability to Firefox.
There are many programs that offer the ability to download Youtube videos for free. Some of the apps allow will download the video you choose as well as convert it to a format that will work with your video player. The best type of Youtube video downloader is one that downloads and converts the video.
Mozilla Firefox web browsers have the option to download Youtube videos from Youtube if you have the browser plugin installed. There are quite a few different choices when it comes to which Youtube plugin you want. Most of the 'add-ons' as Youtube calls it will show