The YouTube Downloader Extension is a great tool for quickly and easily downloading videos from YouTube. It gives you the ability to download videos in various formats, such as FLV, 3GP, MP3, MP4, 720p, and 1080p. The download process is incredibly fast and easy to use. It also keeps your downloads organized, so you can easily find them later. I highly recommend this extension for anyone looking for a fast, simple way to download videos from YouTube.