Tube Video Downloader is an Android app developed by "video download" that allows users to download almost all videos and formats of HD and SD videos for free and in private. With its highly optimized download manager, it is the fastest downloader on the market. The app also features a fully-featured website AdBlocker and a private web browser with incognito browsing and file PIN protection. Users can enjoy multiple SD card support and all-format support, including m3u8, mp3, mp4, mov, avi, wmv, pdf, and much more. The app also allows users to convert video to audio.

The app is user-friendly and easy to use. Users can enter search keywords and click on the video in the search list to enter the playback page. From there, simply click the download button in the lower right corner to download the video. Tube Video Downloader also provides page bookmarks for favorite pages, bookmark import and export to other devices, background file downloads, multiple file downloads at the same time, pause, resume, and remove downloads. Failed downloads can also be resumed from the point of failure, and files over 4GB are supported.

Overall, Tube Video Downloader is a reliable and efficient app for those looking for a fast and easy way to download and convert videos on their Android devices.