WinX Free FLV to MP4 Converter is an application used to convert video files to MP4. This makes the output video compatible with different devices, such as iPhones, iPods, game consoles, and mobile phones. The program makes use of advanced technology when converting for lossless audio and video quality. With the fast converting engine, files can be converted up to 500% faster than other converters. Additionally, the program supports batch conversion, which allows users to convert several videos all at the same time.
The program has a simple interface that consists of a media player for previewing videos. All the clips slated for conversion are displayed as a list with the clip name, information, duration, and the output type. Other options for conversion can be seen at the lower part of the window. Output parameters can be changed by selecting choices from the dropdown list for each category. Settings that can be changed include the audio format, audio quality, video format, audio sample rate, audio channels, video frame rate, and video quality. There are also output profiles for easier conversion. Once all the settings have been chosen, users just need to click on the Start button at the lower right part of the main window.