This is a Best Video Downloader!I use it every day.
All Video Downloader allows you download video and music directly from internet to your device. And play video offline!

This app allows you to download videos and social media clips from social webs and popular video sites onto your device at fastest speed.

Video downloader auto detects videos, you can download them with just one click. The powerful download manager allows you to pause and resume downloads, download in the background and download several files at the same time. Preview the video first, fast download and play it offline.

Features
* All download formats supported, mp3, m4a, mp4, m4v, mov, avi, wmv, doc, xls, pdf, txt, etc.
* Auto detect videos and easily download
* Full-featured download manager to pause, resume and remove downloads
* Download several files at the same time
* Save downloaded files in a password-protected folder
* Download videos in the background
* SD card supported
* Resume failed downloads
* Fast download speed
* Check the progress in the download bar
* HD video download supported
* Large file download supported
* Download video, music and pictures

Note : Downloading Files that are Protected by copyright is prohibited and regulated by the laws of the country .

NOTICE : This app is Not Support YouTube Downloading due to their Terms Of Service.