AllDown - All Video Downloader is a free Android app developed by Marvel Entertainment. This app allows you to download any video available on the internet and social media quickly and privately. With AllDown, you can easily detect videos and preview them before downloading. The app comes with an in-built download manager that allows you to pause and resume downloads, and you can download multiple videos at the same time.

One of the best features of AllDown - All Video Downloader is its ability to download large files. You can also browse videos with the in-built browser and play them offline with the in-built player. The app features an auto-detect function that detects videos automatically from websites. You can protect downloaded files with password-protection, and the app supports saving to SD cards. AllDown - All Video Downloader also allows you to resume failed downloads, and you can check the progress of downloading videos in the notification bar.

Overall, AllDown - All Video Downloader is an excellent video downloader for Android. The app is easy to use and comes with many useful features that make downloading videos from the internet and social media a breeze.