MP3 to M4R Converter
Free online conversion from MP3 file to M4R
MPEG-1 Audio Layer-3
MP3 is a lossy audio file format, which was first released by the Moving Picture Experts Group in 1993.
iTunes Ringtone File
M4R is a compressed audio format used by iTunes as a ringtone file due to it only supporting mono sound.
Steps to Convert MP3 to M4R
Drag and drop your MP3 audio file(s) into the blue box or click "choose a file" to select from your computer.
Review each file to check if it is indeed the one you want to convert. If not click the trash button and select a new one.
Click the convert button. Your file(s) will begin to upload and the status of the conversion process will be shown.
Once the conversion process is complete a list of your new M4R's will appear. Click the "download" link to save the file to your device.