Top 5 Free Youtube Downloader for Mac

This list collects 5 free YouTube downloaders for Mac to help you download YouTube video to Mac and convert YouTube video to MP4, MP3, AVI, etc. They are totally free without any limitation and watermark. I have scanned them with Norton Virus protector; they are safe without any virus and spyware.

For more powerful YouTube Converter for Mac, you can use this Mac YouTube Converter
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imToo

imToo is an easy-to-use YouTube Video Downloader for Mac, especially for Mac users. All YouTube FLV Videos are supported, including HD-format videos. Here are some key features:
Free without any limitation and no watermark
Support batch download, Load as many YouTube videos you want and process them all at the same time without slowing your Mac down!
Support Right-Click Feature. Once the YouTube Downloader for Mac is installed, a right-click option is integrated for easier YouTube download and save.
Integrated Browser. Browse through YouTube videos and download straight on the browser found on ImTOO Download YouTube Video for Mac.

Download Free YouTube Downloader for Mac - imToo

Mac YouTube Converter

Mac YouTube Converter is a very practical and easy to use tool designed for Mac OS users to download and convert YouTube videos. It is both a Mac YouTube downloader and a Mac YouTube video converter.
Download video from YouTube and other video-sharing websites
This Mac YouTube Converter lets you download online video from a whole range of popular video-sharing websites such as YouTube, Yahoo, Google, Break, Metacafe, MySpace, Gofish, Youku, 56, Tudou, Sina and other video-sharing sites.
Convert YouTube videos to all popular videos and audio
Output Video Formats: MP4, M4V, MPEG4, AVI, 3GP, 3G2, MPG and ASF.
Output Audio Formats: M4A, AAC, MP3, AC3, OGG and APE.
It has a functional FLV player which lets you play the downloaded videos and your own videos on your Mac.
This Mac YouTube Converter offers multithreading so that it can download and convert multiple at a time.

Download Mac YouTube Converter

Realplayer

Realplayer
is a very popular video player on PC, now it comes to Mac. It's social. It's portable. The new RealPlayer SP for Mac lets you download your favorite online videos from thousands of Web sites and transfer them to your iPod, iPhone, iPad, BlackBerry or other favorite device, quickly and easily. Here are some key features of it.
One-click is all it takes to download videos from any website.
Transfer your favorite digital media to and from your PC or smartphone, to enjoy on the go.
Convert many different types of video files into almost any format you need.
Reliably plays all music and video files, including MP3, WMA, WAV, Flash, MPEG, and more.
Works with iTunes. Build your iTunes library by transferring videos from thousands of websites.
Watch on iPhone, iPod, or iPad. Enjoy Flash videos anywhere you like.

Download Free YouTube Downloader for Mac - Realplayer

Zamzar

Zamzar is an online file converter, it works base on brwoser, so you can use it on any system including Mac, Windows and Linux. Zamzar can help you download and convert videos from popular video-sharing Web sites. Simply enter the link to the 'URL box' on our URL conversion page, or use the Zamzar web browser button to make converting even easier. Zamzar will help you transform your songs, videos, images and documents into different formats. Zamzar supports conversion between a wide variety of different file formats. Document formats include: csv, doc, docx, odp, ods, odt, pdf, ppt, pptx, ps, pub, rtf, wpd, wps, xls, xlsx. Image formats include: bmp, gif, jpg, pcx, png, tga, tiff, wbmp. Music formats include: aac, ac3, flac, m4a, mp3, ra, ram, wav, wma. Video formats include: 3g2, 3gp, avi, flv, gvi, m4v, mov, mp4, mpg, rm, rmvb, vob, wmv. The thing I actually like best about Zamzar is how dead simple they are. The main home page has the entire User Interface all in one place, in four easy steps:
Browse to your file
Choose what format to convert to
Enter your email address
Click to upload your file and convert

Go to Free Online YouTube Downloader - zamzar

Free YouTube downloader

This free YouTube downloader enables Mac users quickly and easily download videos from YouTube. It automatically detects the video on YouTube opened in Safari, and with a single click, you can save your favourite YouTube videos, even HD YouTube videos, to your Mac instantly. Here are some key features:
Quickly download YouTube videos, including HD videos, to your Mac. Now you can download any cool, funny YouTube videos, movie trailers, music videos to your Mac in a few seconds.
Built-in FLV player allows you to play the downloaded videos and FLV videos stored on your Mac conveniently. Just double click the downloaded video in 'Library' to play the videos.
Automatically detects videos and you don't need to copy the URL to the program. Just click the download button, and Mac YouTube downloader wizard does the thing for you.
You can start to download when the video starts to play, saving you time of waiting for the video to load fully. Browse while downloading and then add new videos to the download queue.

Download Free YouTube Downloader for Mac