4Videosoft MKV Video Converter is the professional Video Converter to convert MKV to other popular video formats such as MP4 MOV AVI FLV M4V MPEG etc.Thus you are able to enjoy these videos on your portable devices including Samsung Note 4 Samsung Galaxy S5 iPhone 6s6s Plus iPad Air HTC one and more. Besides it gives you the best editing functions to optimize your output videos as you like. Key features:1. Convert MKV video to the videos you likeThe MKV Video Converter is able to convert MKV videos as you like. You can convert your MKV video to other video formats. It highly supports almost all popular video formats like MP4 MOV M4V AVI FLV etc. You can enjoy these output videos on your portable devices such as iPhone 6s6s Plus iPhone 5S5C iPhone 5 iPhone 4S iPad Air iPod touch Samsung Note 3 Samsung Galaxy S5 HTC one Nokia lumia BlackBerry and Sony Xperia and so on. In addition you can extract your audio files from the source video and convert them to the audio formats you like.2. Optimize your output videos4Videosoft MKV Video Converter provides you with splendid editing functions like trim crop effect watermark and merge to edit your videos as you like. You can modify your video effect by adjusting Brightness Contrast Saturation Hue and Volume. It enables you to reset video length and screen size as well as add text and image watermark. 3. Other fantastic functionsWith this powerful MKV Video Converter you can preview the source video and take snapshot. You are allowed to convert the videos in batch. This program equipped with NVIDIA and AMD tech for you. It is very easy to operation that you will finish your conversion within several clicks.