Aimersoft Youtube Downloader是由Aimersoft Studio出品的一款视频下载及视频格式转换工具。虽然Aimersoft Youtube Downloader的名字中有Youtube的字样，其实并不是只支持Youtube，还可以用在其他视频网站上的。使用该软件可以设置在下载完成后退出程序、进入休眠模式或者关机。
同时Aimersoft Youtube Downloader还是一款视频格式转换工具，可将视频转换为可移动设备最适应的格式。同时，还内置了高清播放器，可加载视频字幕，调整帧的大小，选择不同的音轨等等。
Aimersoft YouTube Downloader 能够从 Youtube、Hulu 等视频网站上下载视频文件回来，并且将它们转换为 AVI, WMV, MP4, MOV, MP3, WAV, AAC 等格式，同时它还是一个视频播放器，你可以通过其内置的搜索框来搜索并观看视频。
Aimersoft YouTube Downloader 是一个非常容易使用的在线视频下载工具和视频转换器。它允许你从在线视频共享网站如YouTube，Vevo，Hulu，Vimeo，Metacafe，DailyMotion，Facebook下载视频，视频下载和转换等任何常规的视频/音频格式的播放你的iphone，ipod，ipad，PSP，Zune，爱可视等等。
Aimersoft YouTube Downloader for Mac is a downloader and video converter easy to use online. With their help, you can definitely download videos from YouTube and many other popular video sharing sites like VEVO, Vimeo, Metacafe, Break and downloading directly by entering URL or dragging. Get the video downloader for Mac and can capture any online video to enjoy!
• Download videos from thousands of sites
• Download playlists of YouTube or channels
• Convert videos to any format video / audio
• Convert videos to fit your portable devices
Fully compatible • Mac OS X 10.10 Yosemite
Convert multiple audio files and online video
This YouTube Downloader for Mac is not only a downloader online video, but also a powerful video converter for Mac. It can convert downloaded videos to any format HD and standard video like MP4, M4V, WMV, MKV, AVI, MPEG , MOV and more with fast speed while maintaining video quality. In addition, you can extract audio tracks from downloaded video files and convert them to MP3, M4A, MKA, WAV, etc. for playback on any normal music. You can also directly download YouTube playlists or channels to MP3 without any problems. Integrated as a downloader and Mac video converter on YouTube, it is more attractive than simple video downloader for Mac.
Convert the downloaded video to fit any DVD video
In addition to converting the downloaded video to popular video and audio also it lets you convert and save the video files downloaded online on your portable devices like iPhone, iPad, iPod, PSP, PS3, Xbox 360, smartphones and tablets Android operating system. Apple iDVD, iMovie, iTunes, QuickTime, Final Cut Pro and more with optimized configurations. That means you can get videos with the best settings to perfectly match your devices! No need to worry about what format output select. Simply choose your device and converts the video for it!
Play and manage all the videos effortlessly
Want more features? Will not disappoint you. This YouTube converter for Mac comes with a video library that allows you to easily manage existing video FLV, MP4 and WebM and downloaded. All supported video files can be saved in the video library with a more intuitive layout.
Besides being a video manager, it is also an excellent video player FLV, MP4 and WebM for Mac (Mountain Lion and Mavericks) that lets you play your videos seamlessly with the built -in video player. In addition, you can set up automatic shutdown of your computer, let it enter into sleep mode or simply exit the program when the task is completed.