How to make iPhone ringtones from MP3 songs Mac
To pursuit character, you may be reluctant to accept ringtones can be downloaded all over the network, your iPhone ringtones should be unique, eye-catching and fashionable enough.
Aiseesoft iPhone Ringtone Maker for Mac is specially made for iPhone fans, which can help you make your own iPhone ringtones from any multimedia files, then transfer the created M4R ringtones to your iPhone automatically!
Guides: for you to make an iPhone ringtone from MP3 on Mac
The following will show you a step by step guides to complete MP3 to iPhone ringtones making on Mac. Before making the ringtone, you need to download iPhone Ringtone Maker for Mac and run it on your Mac computer.
Step 1. Input file
Add MP3 song you want to make ringtone in the window that pops up, then click "OK" button. You will see the file path and name are displayed in the "Input File" textbox.

Step 2. Choose a part of the song
Click "Play" button to listen to music before creating ringtone and trimming the part you want.

Step 3. Set output destination
1. Click "Browse" button on the right side of the "Local Output File" label.
2. If you want, check "Export to iPhone" option to let the program transfer the output ringtone to your iPhone directly after conversion.
(Tips: This function is limited in trial version, you can click here to buy registered version to finish the export.)

Finally, click "Generate" button to start making your own iPhone ringtones. During the creation, you can check the process by the progress bar at the bottom.