Create Ringtone for your iPhone with iRinger

iRinger is  a new App which creates free ringtones for your iPhone from virtually any music or video file you own. Even YouTube videos! iRinger exports ringtones to iTunes, so there is no need to “jailbreak” your iPhone. You will be creating ringtones in seconds. It’s that simple. It features many options, such as fade in and fade out, and audio effects like boost or reverse. It runs on all versions of Microsoft Windows including Windows Vista.

You can download iRinger from here.