How to Convert MP3 to M4R iPhone Ringtone on Mac?
You may want to change your iPhone ringtone from time to time but do not want to pay $1.99 for every ringtone. In that case, make your own ringtone sounds to be a good idea. However, there would be another problem which is iPhone ringtone can just be the format of M4R. Then, what can you do? You may need a converter to convert various video or audio formats especially the most popular audio format MP3 into M4R. Here is a MP3 to M4R converter to solve your problem.
With this MP3 to M4R converter, you may not only convert audio format into M4R ringtone, but also take soundtrack from video and convert them to ringtone. Check the following steps for converting MP3 to M4R on Mac OS X (Snow Leopard, Lion included).
Input MP3 Files
Click the icon to open iSkysoft iPhone ringtone maker and then add MP3 files into the Mac app for creating your iPhone ringtone (iPhone 4S supported). For this part, you are supplied three methods to import MP3 files: drag MP3 file directly to the MP3 to M4R Mac converter, click the iTunes Library on the left to load the file directly or Import the target file via clicking the "Open File" button.
Trim MP3 Music to iPhone Ringtone
Drag and drop the slide bar to set the start point and end point for your iPhone ringtone length. Since the iPhone officially supplied ringtone as long as 30s, this iPhone Ringtone maker could customize your ringtone as 40s. Alternatively, you can type exact time value into time-setting box. You can choose to preview the whole YouTube 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 "Preview", there would be a screen to preview the video. To learn more detailed info: User Guide of iPhone Ringtone Maker for Mac.
Convert MP3 Music to M4R Ringtone
After trimming, click Start button to generate the ringtone. The trimmed MP3 music would be converted into M4R ringtone and 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 3G, iPhone 3GS, iPhone 4 or iPhone 4S.
Now you can enjoy changing your ringtone randomly as you like!
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