If you are looking for freeware to download YouTube video to your Mac for playback or editing. This YouTube Video Downloader would help you a lot. It works for the HTML5 YouTube too.
Here is the system requirement:
- Supported OS: Mac OS X 10.5, 10.6 or 10.7
- Processor: 1 GHz or above
- RAM: 512MB of RAM or above
After you download and install the YouTube downloader. When you browse YouTube video through Safari, Firefox or Chrome browser. You will see a “download” button beside the YouTube video. Click it to download the YouTube video to your Mac. It’s really easy to use.