Ever dreaming of making your own iPhone ringtones with your loved MP4 music? MP4 to iPhone Ringtone Converter makes your dream into reality. Besides, with a wide range of audio and video formats supported, this smart MP4 to iPhone Ringtone Converter can convert all mainstream formats like aac, mp3 etc. and transfer the converted ringtone to iPhone directly without iTunes after conversion if you want.
Following is the screenshot of the MP4 to iPhone Ringtone Converter:

Step-by-step Guide :
Tips: You need to free download the MP4 to iPhone Ringtone Converter and install it on your computer first.
Please double click the icon of the MP4 to iPhone Ringtone Converter on your computer and launch it. Then please click
button to add your favorite mp4 music file which you are going to convert into iPhone ringtone.

The
button can be used to help you listen to the music and find out the segment you want to use as a ringtone. You can set your wanted segment by dragging and clicking the start & end slider (yellow ones), or typing the start & end time in the corresponding text box directly to get the exact segment.
Tips: Click
button to pre-listen the converted audio before generate.

The
button appearing on the above of the "Generate" is used to locate your output destination. Press it.
Tips: If your iPhone is connected with the computer, Please check the "Export to iPhone". It will let the converted ringtone loaded to your iPhone directly.
The last step asks for you to press the
button. Then the conversion will be under process which can be seen on the utmost bottom of the interface.
After the conversion is finished, you can enjoy your favorite iPhone ringtone at once!
Now, isn't it so easy as abc to perform the program? You can also convert other formats such as mp3, aac, rm etc. to iPhone ringtones with this great MP4 to iPhone Ringtone Converter.