iPhone is popular and touted, many iPhone users want to make Customized Ringtone with their loved music or some from iTunes. And there is any limit for Mac users, so how to Make iPhone Ringtone on Mac? iPhone Ringtone Maker is a practical program for iPhone users to make iPhone ringtones by themselves, not only iPhone, but also iPhone 3G, iPhone 3GS. Owning iPhone Ringtone Maker, you can make iPhone ringtone in .m4r from almost all video/audio formats, including AVI, MPEG, WMV, MP4, MTS, M2TS, MKV, RM, MOV, FLV, SWF, 3GP, WMA, WAV, RA, M4A, MP3, AAC, AC3, FLAC and so on. Then let’s start making iPhone ringtone with the following easy steps now! Step 1: Input Source Files After downloading and installation of iPhone Ringtone Maker, click the icon to open the ringtone maker. Double click iTunes Library item on the left to start edit the chosen item or drag video or audio directly to the program for making ringtone.

Step 2: Trim iPhone Ringtone Drag and drop the slide bar to appoint the start point and end point for your iPhone ringtone length. Alternatively, you can type exact time value into time-setting box. You can choose to preview the whole audio or video or just the trimmed part. Tips:
You can enlarge the waveform to make more specific trim.
If it is video, you can preview your video on the bottom of the left side. Click I, there would be a screen to preview the video.

Step 3: Generate iPhone Ringtone After trimming, click "Start" button to generate the ringtone. The edited ringtone will be saved on ringtone category of your iTunes.
Tips:
If you tick Export to iPhone option, the created ringtone will be automatically be exported into your iPhone, iPhone 3G, iPhone 3GS..