iPhone is pretty cool for its entertainment features, but when it comes to iPhone ringtones there are a lot of limitations. A big one of them is that iPhone only supports m4r format, even though you have a lot of mp3 files in your computer, there is no way using them as ringtones for your iPhone, and users’ questions like how to convert mp3 to m4r on Mac can be seen anywhere in forums and Q&A sites. So, how to convert your mp3 to m4r format? Well, This article wil show you how to convert mp3 files to m4r on mac, only 3 easy steps are needed. Free downloadand install iPhone Ringtone maker Mac.
Step1. Launch the program and connect your iPhone. You can directly import an mp3 file from your iTunes library or drag one from your computer.
Step 2: Convert mp3 to m4r mac ((iPhone ringtone) ) The blue slide bar allows you to trim the mp3 file to choose any section you like. You can also add fade in/out effect (up to 5 seconds) to the ringtone.

Step 3: Export iPhone Ringtone Tick “Transfer to iPhone” and click “Start” to convert your mp3 file to m4r (iPhone ringtone), the ringtone will be instantly transferred to both your iPhone and iTunes. Click “Start” alone, the Ringtone will then be only in your iTunes.

What is M4R? An M4R is a proprietary file extension created by Apple exclusively for use as a ringtone for the iPhone. Like other similar file extensions, such as the M4A and MP4, it is a high quality, compressed audio file. M4R files are short audio files – typically 30-seconds or less. Users can convert any audio or video format like MP3, M4A, MP4, and M4P files into M4R ringtones with iPhone ringtone maker mac.More about convert mp3 to m4r mac