With the step-by-step guide, you can find the answers for:
How convert mp3 to ring tone for iphone? or
How to convert mp3 into iphone ringtone?
1) Download the free trial version of iPhone Ringtone Converter and install it to your PC; The inteface is shown below. It is easy to operate and elegant.

2) Click
Browse Button to import the source MP3 video files; iTunes music or purchased music are also supported.
Tips: Supported input formats: AVI, MPEG, WMV, MP4, FLV, MKV, H.264/MPEG-4, DivX, XviD, MOV, RM, RMVB, M4V, VOB, ASF, 3GP, 3G2, SWF, H.261, H.264, DV, DIF, MJPG, MJPEG, DVR-MS, NUT, QT, YUV, DAT, MPV, NSV, MP3, WMA, AAC, WAV, CDA, OGG, FLAC, APE, CUE, M4A, RA, RAM, AC3, MP2, AIFF, AU, MPA, SUN AU Format
3) Click
button to play back the source audio files in iPhone Ringtone Converter;
4) Customizing Ringtone Duration Feature: Set Duration to cut a clip as iPhone Ringtone: Drag the button to set the starting piont and ending piont of the clip. Or you can set the start time and end time manually in the boxes.

5) Preview Feature: Click
button to preview the marked segment or the loaded muisc. With the built-in Music player for pre-listening, you can enjoy the music in iPhone Ringtone Converter.
6) How to put my mp3 music on my iphone?
In this easy iPhone Ringtone Converter, you can set to convert MP3 to Ringtone (M4R) to your hard drive; Then you can use iTunes to snyc it to iPhone;
Or you can check the box "Export to iPhone" to transfer MP3 to Ringtone to iPhone directly. you do not need iTunes or any other programs.
Please notice that you need to connect your iPhone to your PC before you can check the box.

7) After all these settings, now click
button to start the conversion from MP3 to iPhone Ringtone Converter. Actually it will convert MP3 to M4R, the only iPhone Ringtone format.
In few seconds, the conversion will finished.
Notice: When put / import MP3 to Ring tone on iPhone, you can set it as the default ringtone for your iPhone. At the time, you need to go back the main menu of your iPhone. Otherwise, the ringtone has not beed set to the default iPhone ringtones.
Free download iPhone Ringtone Maker to have a free trial now. It will indeed bring you brilliant experience.
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