Wondershare YouTube Downloader for Mac can automatically detect the YouTube video files from the YouTube web pages you have opened and download multiple files at a time. It is a totally free YouTube video downloader for Mac, and batch convert YouTube video or local FLV videos to regular video formats for playback on iPod, iPhone, PSP, Mobile Phone, etc for Mac users.
KeyFeature of YouTube Downloader

1. One of the first Mac YouTube download tools for both Intel and Power PC Mac computer users.
2. Allow you to automatically download YouTube videos. And the download function is available for both unregistered and registered users.
3. Allow you to download multiple YouTube videos at a time.
4. Convert YouTube video on Mac and even let you convert local FLV files to MP4, M4V, MPEG4, AVI, 3GP, 3G2, MPG, ASF, M4A, AAC, MP3, AC3, OGG and APE and so on for mobile players such as iPod, iPhone, PSP,
PS3, Apple TV, iRiver, Creative Zen, and a lot more.
5. Convert more than one FLV file at a time.
6. Allow you to customize program preferences to use the program the easiest way for you.