Add MP4 Files Launch iFun Video Converter, click "+ Add Files" button or drag media files into the interface to start conversion. Video Custom Setting and Conversion Click "custom" button in the right panel, then you will see “Audio” button, click it and select MP3 as output format, then click "OK" to save it. Now click "Convert" button and finish the conversion.

Search and Select Youtube Files Launch iFun Video Converter, choose "Download" module and you'll see URL address bar down there, copy the url of video from Youtube and paste it in the address bar. Fortunately we'll help you to fill the blank of address bar automatically if you are copying the correct youtube video address. Video Custom Setting and Conversion Click "save as" option and you'll see "custom" button at the bottom, select AVI as output format, and choose whatever resolution you want, and click "OK" to save it. Now click "Download" button and finish the downloading.

Launch iFun Video Converter, and add MP4 files that you want to convert to iFun Video Converter by clicking “Add Files” button. Click “Custom” button, and set WMV as the output format. Based on your preference, you can also select frame rate, bit rate and resolution. Then click “OK” to save the changes. Now, click “Convert” and finish converting MP4 files to WMV format.

M4V is developed by Apple, while many mobile devices do not completely support this format.Though some popular video player apps whatever these apps are pc software or mobile apps support playing m4v format video files,but if you buy and download a m4v video movie file from itunes store,and you are going to put this m4v file playing in any video player directly,you'll find it'll never works well because this m4v video file is a DRM m4v file.Even you change this m4v video to any other format like mp4 or mkv,the DRM information is still there,so you have to remove DRM from this m4v video file before watch it in a video player directly or convert it to any format you want.

FLV is a file format of Flash Video. FLV file format is developed from the launch of Flash MX, and used to store and deliver video streams over the Internet. Indeed, FLV format provides a quite perfect solution for Internet video streaming and sharing, and makes it possible to watching Internet video files smoothly. Since FLV videos always come with small file size and fast loading speed, now it has already become the most commonly used video format adopted by most video sharing websites and web video module technology.

What is WMV? As a part of the Windows Media framework, WMV (Windows Media Video) is developed by Microsoft, and it consists of a series of distinct video codecs and compression formats. Nowadays, WMV usually refers to Microsoft Windows Media Video format, and we call the WMV video format. WMV format is designed for Internet streaming applications, and can cope with all types of video content. WMV files ensure small file size and retain considerably good video quality.WMV is considered as a big competitor to RealVideo. This video format is supported by most media players such as Windows Media Player, VLC Media Player, Zoom Player,RealPlayer and etc.

iFun Video Converter – Free MKV video file Converter iFun Video Converter is a free MKV converter that comes with user-friendly interface and easy-to-use features. It supports converting MKV to any other popular video and audio formats like MP4, FLV, 3GP, WMV, AVI, MOV, VOB, 3G2, MP3, AAC and etc. As the best MKV converter, iFun Video Converter ensures quick & easy MKV conversion and high video quality for your Apple, Android and media players.

Download iFun Video Converter, install and open it. Click “Add Files” button or drag your AVI files into iFun Video Converter directly. Click “Custom” button and select MP4 as the output format. If you want the video file to keep original quality, then remain resolution, frame rate and bit rate parameters as “Auto”. Click “OK” to save your changes. Now, you can click “Convert” and start converting AVI files to MP4 format.

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