Convert AVI to M4R
AVI to M4R Converter is widely-used iPhone Ringtone Maker with superfast speed and great output quality!
Besides, it supports to convert a wide range of video and audio formats such as MPEG, WMV, MP4, DivX, MOV, RM, AAC, WMA ect. Meanwhile, pre-listen, upload to iPhone directly are supported as well!
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Simple Guide: Convert AVI to M4R
Free download AVI to M4R Converter , install and launch it.
Clip segments from the source file by dragging sliders or by setting exact time value.

Set output path.

Click the button "Convert" to start converting.
From the moment you own it, you can easily enjoy varified iPhone ringtones!