How to convert amr to m4r?
AMR to M4R Converter lets you create your own ringtones via amr music files in you library, even the songs purchased via iTunes store. Then transfer to your iPhone automatically!!! Try now!

Convert AMR to M4R right now!
Download AMR to M4R Converter and Add AMR files.
Click "Trim" button to clip small part of the source file as your iPhone Ringtone.

Note: Press the icon
to start to pre-listen to the clip part.
Select a folder to save the export file in the "Local Output Folder" option.
Check before "Export to iPhone" option to transfer music to iphone directly!
Click the button "Generate" to start converting AMR to m4r iphone ringtone.
Making your own iPhone ringtone with loved music right now!