YouTube is one of the most popular video-sharing sites, and there are plenty of interesting videos shared from all over the world. Many of them are really worthy downloading and collecting. So would you also like to download YouTube videos on your Mac? Here are two methods for you.

Download YouTube Video using online sites
Some free conversion websites can free download of YouTube videos. The following are three of them:
http://vixy.net/
http://keepvid.com/
http://www.zamzar.com/

Step1. Take http://vixy.net/ for example, open the website.
Step2. Visit http://www.youtube.com to find your need video, copy the URL
(e.g., http://www.youtube.com/watch?v=DKhTNNXJIJQ) from the Address field of your Internet browser, or copy the link from the RED dialog box.

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  Step3. Paste the link at the URL field of http://vixy.net after you open this website, select a conversion format from the “Convert to” field, and click START to download and conversion.

  
  

• Note: This is a very easy way to download and convert YouTube movies, but the speed may not be very acceptable or the sever are often busy and you can only download one file at a time.

Download YouTube Video using free YouTube Downloader
100% FREE Wondershare Free YouTube Downloader for Mac
It can automatically detect YouTube movies that have been opened and can download multiple files at a time. See the main interface below:

Collect and play YouTube videos or local FLV files using free YouTube Downloader.
All the downlaoded YouTube videos would be immediately added to your Library, in Wondershare YouTube library, you could manage your downloaded YouTube videos and local FLV videos.

And also, you could play collected FLV videos with a built-in FLV player by double clicking the item.

Note: If you want to watch the downloaded videos on your mobile devices or convert them to regular formats supported by QuickTime player. You can click the “Convert” button to convert FLV videos with YouTube Video Converter for Mac which supports all popular video formats conversion, with it you can convert your FLV files for playback on iPod, iPhone, cell phone, MP4 player and so on.

Try Wondershare YouTube Video Converter for Mac for Free!