To learn more information about the M4R file, you can refer to this post - What Is M4R and How to Open It on Different Operating Systems.Īlso Read: Solved - YouTube Not Working (on PC/Android/iOS) Step 1: Download YouTube Video

You can also transfer M4R files on your computer to your connected iPhone through third-party software. After that, the M4R files will be transferred automatically. When transferring M4R files from the iTunes library to your iPhone, you can select the iTunes library with your iPhone. Thus, during the ringtone transferring process, you are very possible to see the M4R file. Once the phone is synced with the PC via Apple iTunes, the M4R file can be automatically transferred to the iPhone. You can only create M4R files using songs purchased in the iTunes music store that possess the right to create ringtones. It can be transferred to the iPhone to use custom ringtones. What is M4R? The M4R file extension is an iTunes ringtone file, which is created by Apple iTunes. This post from MiniTool provides some converters for you. To do that, you need to convert YouTube to M4R. But sometimes, you want to set YouTube background music as the iPhone ringtone. As we all know, M4R is the only ringtone format supported by iPhone.

Youtube to m4r converter