How to make ringtone for iPhone

1. First of all, you need to open your iTunes

2. Then choose the song that you want to make it as your ringtone. Right-click on the song and click "Get Info"

3. Click the "Option" tab. Check the "Start time" and "Stop time". Then you need to trim it within 30 seconds. If duration is more than 30 seconds, your ringtone may not be transferred to your iphone because it only support until certain duration ( around 30 seconds).

4. After click "Ok", you need to Right-click the same song and choose "Create AAC Version"

5. Drag or "copy and paste" the AAC version file to your desktop or wherever you want.

6. Rename the file extension name from "*.m4a" to "*.m4r"

1.  to 

7. After you rename the file extension, then drag your "*.m4r" file to your iTunes. It will automatically create a Tone's Library

8. Lastly plugin your iPhone and sync it! Then enjoy your ringtone...


p/s: this method is only for windows user.. :)