A free app for Android, by vidStudio mate.

All Video Downloader allows users to download all videos from social media websites like Facebook, Instagram, Twitter, Tiktok, etc. into your device for offline viewing or to share them with friends.

It is very easy to use. Just copy the link or share the link of the video you want to download with this app and it will download it for you. It is completely free to use. You don’t need to log in or sign up. It will save it for you in the gallery. You can watch it offline. You can even convert it into different formats like MP4, 3GP, and AVI. You can watch it with the built-in player.