Aiseesoft Mac Video Converter Ultimate helps convert any video to other formats like MP4, MOV, AVI and more so that you can enjoy your videos on more devices. In addition, it is available to download your favorite videos even 4K videos from YouTube, Yahoo, Vimeo and other hot video site. Before your conversion, you could edit video effects. And the new added enhancement enables you to enhance video by optimizing brightness and contrast, upsacling video resolution, removing video noise and reducing video shacking. Key features 1. Convert video/homemade DVD to popular formats on Mac It is designed to convert homemade DVD and any other video to MP4, AVI, etc. It also converts your 4K video to other 360p, 720p, 1080p video. You are also allowed to convert music video to any audio formats such as MP3, AAC, AC3 and OGG. 2. Download 4K video and other video with a fast speed It makes it possible to download the popular videos (4K included) to you Mac. There are many famous video sites such as YouTube, Yahoo, Dailymotion and Vimeo for your information. You are able to choose the video resolution before downloading. In addition, with the CUDA and AMD technology on this software, you can get the 10X downloading speed than other software in the market. 3. Edit, enhance and rotate the video to meet your requirement You can rotate the video to the correct angle and enhance the video by upscaling resolution, optimizing brightness and contrast, removing video noise and reducing video shaking. You can edit your video as you like: crop the video area size, convert 2D to 3D, add watermark and adjust the video effect. 4. Support various devices This software works well with iPhone, iPad, iPod and Samsung, HTC, PS3, Xbox and more mobile devices, so that you can enjoy them anytime and anywhere. 5. Support external audio track and multi-audio track and external subtitle.