rust me,This is a Best Video Downloader!I use it every day.
All in one Video Downloader allows you download video and music directly from internet to your device.And play video offline, 100% free!

How to download by all video downloader:
1. Search video in your Social App
2. click the video you want to download and Copy the Link !!
3. Paste in Our App!!
Done!

Features
* Free Video Saver
* Easy Video Cache
* Fast and free all video downloader
* Easily download video from Instagram/Facebook/Twitter/Whatsapp/Tumblr/xx video
* Browse video with the built-in browser
* Download video no limted
* Play videos offline with the built-in video player
* All formats supported, such as mp4,flv,mp3, mov, avi, wmv, doc, xls, pdf, txt, etc.
* Auto detect videos and easily download all video
* Full-featured download manager: pause, resume
* Download files to SD card
* Fast download speed with HD video downloader
* Check the progress at anytime
* Download anything just by url

All in one Video Downloader auto detects videos, you can download them with just copy the link and open our app.Fast download and play it offline.
This video downloader is very fast,easy and totally free app to use in daily life.

Note:
* Due to their terms of service,youtube video cannot be download