What is the M4R format?

M4R

M4R Converter

M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.

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Convert m4r to another format!Convert other formats to m4r!How to convert online m4r？