Are you in search of an easy-to-use but powerful M4R Converter, here the right place.

As a professional M4R iPhone Ringtone Converter, M4R Converter can easily convert to M4R from all kinds of video/audio formats, like AVI, MP4, MPEG, DivX, MKV, MOV, MP3, Aiff, WAV, WMA, AAC, etc. Besides converting to M4R, Emicsoft M4R Ringtone Converter allows users to trim the input files to get the wonderful segment as the iPhone Ringtone.

Download free M4R Converter supported.

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The running interface of M4R Converter shows like below；

As you can see, M4R Converter is actually a total iPhone Manager- transfer PC to iPhone, transfer iPhone to PC, Make iPhone Ringtone are all included.

Step-by-step guide on how to convert to M4R:

Step 1. In the main interface, click "Ringtone" option, the already-existed Ringtones will appear. Click "PC to iPhone" button to add new M4R iPhone Ringtones.

Step 2. The interface of making M4R Ringtone will show.

A: Click "Add Files" to add video/audio like AVI, MP4, MOV, 3GP, VOB, MP3, WMA, WAV, M4A files. M4R Converter even supports add DVD movies.

B: Cut the input files- you can drag the time slider or set the Start/End Time to get your wanted segment as your iPhone Ringtone.

C: Click "Import" button to begin the convert to M4R progress.

Note: if the files you added are not M4R format, you have to check "Convert files before importing" option.

Step 4. After the conversion, M4R Converter will automatically transfer the converted M4R files to your iPhone as Ringtone. The finished interface shows as below, click OK, you will see the added M4R iPhone Ringtones.

If you want to convert any video/audio to M4R, I hope this Emicsoft M4R Converter can help you and this guide on how to convert to M4R can give you a hand. Enjoy yourself.