The Free MP3 To M4R Converter tool is a perfect audio converting software tool that can convert MP3 files into MP4 format. This converter tool is a must-have for music and video lovers. It is a simple and straightforward software application that can easily convert the MP3 files into MP4 file format. The conversion process is entirely simple as users can easily import the MP3 files and click the "convert" button for quick and flawless conversion. The program allows the users to select the output folder. This free converter tool is basically designed to convert audio files and images into video files. As the size of the MP4 videos is small, it is easy to convert various MP3 files and save it in iPhone, PSP and iPad. This simple converter tool has a plain interface which is quite easy to use and comprehend. The converter tool functions optimally and converts the files in a jiffy. The program has a high conversion speed and ensures high quality videos after the conversion process. The Free MP3 To M4R Converter tool has no complicated settings. Users are allowed to change the output folder if required. The program also allows the users to browse for the output folder. The converter tool supports batch processing and therefore it is possible to convert multiple files simultaneously. The program uses minimum system resources during the conversion process. The process of operation is extremely simple. The program has a plain software interface with a few essential features. Users can easily import the files that need to be converted. The program also allows the users to customize the audio parameters if required through the converter tool. The tool offers super conversion speed with high quality. The Free MP3 To M4R Converter tool is completely compatible with Microsoft Windows.