Mac YouTube Converter is designed for Mactonish OS users to download and convert YouTube videos. It can convert YouTube to MP4, AVI, M4V, 3GP, ASF, put YouTube to iPod, iPhone on Mac, and support all other popular players such as PSP, Apple TV, Zune, and Pocket PC and so on.
The guide to use YouTube Converter for Mac OS X:
1. Download this software:
Download Intel Version 
Download PowerPC Version
2. After installed in your Mac, launch it:
3. When you go the YouTube.com and enter the page where the video you want to convert is on, the software will record the address automatically and download the video.
You can see the downloading process under Download Status.
Click "Open" button to see where the download videos have been stored.
4. "Convert" button is to start converting the checked videos.
A dialogue pops up:
"Format Preset" is to default output format.
"Output Directory" is to default the destination folder.
5. Press "OK" and the conversion will be ok.
Click "Conversion", then it's this image.
Here you can see the conversion status clearly.
Following this guide, you can quickly and exactly convert YouTube videos from YouTube.com to M4V and more video formats like MP4, MPEG, AVI, 3GP, ASF iPod, PSP.
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