As 4K media player is not as popular as other sort of media player that could support any HD/SD videos but 4K videos, you might need to convert a favorite YouTube 4K movie to the video with lower resolution when you want to play it on your mobile phones, HD TVs, tablets and other portable devices. Also, when you buy a 4K TV, the first thing you want to do might be to convert all your HD/SD videos to 4K videos for streaming them on 4K TV. At this time, you need a professional video converter which is able to convert 4K videos from or to 1080p/720p HD, SD videos. Aiseesoft 4K Converter for Mac is the best option for you.

Key functions:

1. Convert 4K video from/to 1080p/720p HD, SD video on Mac
This is the best 4K video converter in the world. It is specialized in handling 4K videos on Mac. You can easily convert 4K video to 1080p/720p HD and SD to make them more playable with many media players, like iPhone, iPad, Android phone, HD TV, and PSP. Meanwhile, it is able to convert 1080p/720p HD, SD video to 4K video to play them on your 4K TV.

2. Convert 4K video from one format to another
This 4K video converter supports six 4K video formats. They are MP4, AVI, MKV, WebM, and TS. And the program does well in converting 4K videos from one video format to another, like 4K MP4 to 4K TS, 4K AVI to 4K FLV, and 4K MKV to 4K WebM.

3. Edit 4K video professionally
The powerful built-in editing function makes the converter be a professional 4K video editor as well. It enables you to edit your 4K video by adjusting brightness, contrast, saturation and hue to improve video performance. You can also merge, cut, and add watermark to the video for making your own 4K film.

4. Time-saving and user-friendly
Plus, it supports batch 4K conversion to save your time. And the whole converting process is very fast and efficient. Moreover, it is user-friendly and easy to use. The simple interface and clear instruction make your 4K conversion with it more easily.

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