Ultimate YouTube Downloader for Chrome
This simple extension adds a "Download" button to YouTube videos.
Download videos from YouTube and other video sites with the single click of a button.
Check out the screenshots for how simple it is to use. This is the easiest YouTube downloader available.
You can choose to download the MP4 version or the FLV version. Additionally, you can choose the video quality (720p HD, 480p, 360p, 240p).
Repeat play,MP3 convert support.

Download Ultimate YouTube Downloader

Download (v1.0.3.4)

[2014.3] v1.0.3.4
[2013.10.30] v1.0.3.3
[2013.9.16] v1.0.3.1
Extension ID: bfkpkealncpcbfklpgnggcgjjdkbljop

How to install?

Ultimate YouTube Downloader, Since 2011