How to make ringtones in m4r format (iphone only)

Open itunes and select File-Add File to Library from the menu bar.

Select the song that you want to ring, click "Open" and the song will appear in "Music" of "Music Library".

Right-click the song and choose Show Info.

Select the option and fill in the start time and stop time (within 40 seconds). -"Okay"

Right-click the song again and select Create ACC Version.

A file with the same file name but less than 40 seconds will appear.

Right-click the newly created song, select "Display in windows Explorer", change the format of "m4a" to "m4r", and select "Yes" in the pop-up window.

After changing the suffix to m4r, you need to double-click the renamed ringtone file and add it to the ringtone in the database.

Check: In the itunes menu bar "Edit", find "Preferences" to open it.

Check "Ringtone" in "Common"-"Source", and then check "OK"

You can see the "ringtone" in the "database"

Turn on the "ringtone" and you can see if your file has been turned into a ringtone.

Then open "iphone" in Devices.

Select Ringtones, check the item "Synchronize Ringtones", select "All Ringtones" or "Selected Ringtones" and then select "Synchronize".

After the ringtone is successfully synchronized, the ringtone will appear in Settings-Sound-Ringtone-Customize.

To use this ringtone, simply select. Custom options are above standard options.