iCoolsoft Total Video Converter is the most comprehensive Video Converter program which is able to convert almost all videos to the video format you like. It can also help you edit the output videos with the best editing functions. After conversion, you are able to enjoy them on your portable devices. Key functions: 1. Convert your videos as you like The Total Video Converter is professional in converting your videos to other popular video formats. It highly supports AVI, WMV, ASF, MPEG, RMVB, MOV, FLV, MP4, 3GP, etc. And you are able to convert your videos to HD video for better enjoyment. In addition, you are able to extract the audio from the source video and convert them to the audio format you like. It allows you to set the output audio to MP3, WMA, WAV, AAC, AC3, M4A and more. 2. Optimize the output video as you like iCoolsoft Total Video Converter provides you with versatile editing functions like trim, crop, effect, watermark and merge. So with them, you can modify the video effect and reset the video length and screen size. It allows you to add your favorite watermark to your videos. And you can merge several videos into one. 3. Customized settings You are able to enjoy your output videos on your portable devices. It highly supports many popular devices like Samsung Galaxy Note 3, Samsung Galaxy S4, iPhone 5S, iPhone 5C, iPhone 5, HTC one, BlackBerry, Nokia Lumia, etc. And you can convert your files in batch. It allows you to preview the source video as you like.