Free MP4 to M4R
MP4 to M4R converter is currently the most popular software to convert MP4 to M4R with high out-put quality and fast converting speed. Using this powerful MP4 to M4R converter, you can transfer the converted M4R ringtone directly to your iPhone and enjoy your favorite music.
 For Windows |
For Mac |
Guide: How to convert MP4 to M4R
Firstly, Free Download the MP4 to M4R converter and run it.
Secondly, Add a file you want to convert to M4R format by clicking 
on the right side of "Input File", select it.
Thirdly, Click 
to find the segment which you want to convert MP4 to M4R, drag the two sliders to set exact start time and end time. In other way, you also can change the time number to make it. Then press 
to pre-listen the converted audio before generate.
Fourthly, Go to "Local Output Folder" to set output destination to save the converted files by clicking "Browse" button.
Notice: Check "Export to iPhone" option, your converted MP4 video to M4R will load to your iPhone directly.
Finally, Click "Generate" to activate the MP4to M4R converter, it will work automatically.
This MP4 to M4R provide pratical functions for iPhone users to convert MP4 video to M4R so it is your best choice when you want to convert MP4 video to M4R. It provides many practical functions as it is a good helper.