A free program for Android, by PureBrowser.

Enjoy watching your favorite videos, shows, and movies even if you are not connected to the Internet by saving them on your device.  Pure All Video Downloader is an app that can help you do this. This app automatically detects videos while you are browsing different platforms. It makes any video downloadable whether it is posted on social media or on streaming websites.

You can select from various video resolutions, sizes, and formats when downloading. It also allows you to convert your videos into MP3 format. You can also restrict access to your downloads by moving them to a password-protected folder.

It is very simple and easy to use. Download this now on your Android devices and enjoy watching wherever you go.