TubeNinja.net is described as «Allows for saving of videos and audio from popular streaming sites. No need for installation. Simple to use URL-trick and bookmarklet» and is a youtube downloader in the video & movies category. There are more than 100 alternatives to TubeNinja.net, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux, Firefox and Android. The best alternative is youtube-dl, which is both free and Open Source. Other great sites and apps similar to TubeNinja.net are Youtube-DLG, 4k Video Downloader, Video DownloadHelper and yt-dlp.TubeNinja.net alternatives are mainly YouTube Downloaders but may also be Video Downloaders or Download Managers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of TubeNinja.net.