The Video DownloadHelper is a popular Chrome extension that allows you to download videos from the web. With support for various streaming protocols and video conversion, it offers a range of features, including saving videos to your local disk, downloading image galleries, and blacklisting domains to hide ads from detected videos. It also allows for fine-grained filtering of videos and offers a highly customizable interface. Please note that the Chrome version does not download videos from YouTube due to Google WebStore restrictions.