How to Convert Video and Audio to M4R in Mac

Questions:
1. How to make an iPhone Ringtone from any video/audio files?
2. I want to make a ringtone out of a song that I bought off iTunes. How can I make an iPhone ringtone out of a song in my library?
3. Is there any way that I can get the songs I have downloaded or the songs off my CD's as my ringtone?

Have you ever met such troubles? Do you have the same demand that wondering how to convert your downloaded or collected video or audio file to M4R as your iPhone Ringtone (iPhone 4S included)? Do you want to make your favorite CD as your distinctive ringtone for your iPhone? If the answer is "yes", please check this guide to learn to make iPhone ringtones from any video/audio files:

Aimersoft Video Converter for Mac is a powerful Mac M4R Converter which can convert all video formats like AVI, WMV, MKV, MP4, MPEG, MOV, FLV, etc. and all audio formats like AAC, MP3, WMA, M4A, 3GP, AC3, etc. to M4R format and simultaneously export them to iPhone and iTunes with proper settings.

Free download Video Converter for Mac, install and run it.

How to Extract Ringtones from Video or Audio File with iPhone Ringtone Maker?

1Add video/audio files

You can either click on "Add Files" or directly drag video/audio files to the Resource area.

2Trim

Select a video/audio, right click it and choose "Edit" to set the start and end time so as to get the very part you want. You can either drag the slider to select the part or set the time manually. Real-time preview is available to make sure everything goes well as you like.

3Start converting

Click the small icon beside a the video/audio to and select "M4R" as the output formats. Then click "Convert" to make your iPhone ringtones.

Free download Video Converter for Mac, install and run it.