You have a video file which is an MP4 file and you need it in an audio format (mp3). All you need is just a tool specifically to aid in this conversion. Just from the name mp4 to mp3 converter is the best option for this application. It is a tool which aids in all the conversions while maintaining the file extensions.
It is a simple application which supports drag and drops function as well as import and export of the mp4 files to the interface. If you have a batch of files which you also wish to process then this is the best tool of all kind; In fact, you will maintain the source file and all the fine details without even compromising on the quality of the videos.
Just in case you want to make some edits on the new files then you can use the options menu to change the preferences which are someone pretty fast. The speed of the conversion process depends on the file size. You will have progress window which gives you information about what happens virtually when it comes to conversion of the videos.
This is a simple tool ideal for all user despite the level of experience.
MP4 to MP3 Converter is licensed as freeware for PC or laptop with Windows 32 bit and 64 bit operating system. It is in audio converters category and is available to all software users as a free download.