MakeOwnRingtone.com - Make your own ringtone! Follow the steps:
Switchr.net - Switchr is a free online audio converter site that lets you convert audio files on the fly.
Ringer - Choose any non-protected file from your iTunes library or any media file on your system and turn it...
Song Cutter and Ringtone Maker - Free Online Ringtone Maker
Ringdroid - Create your own ringtone by editing a music track in your library, or record a new one directly...
Audiko - Audiko Ringtones is a free to use mobile application that can help you customize your mobile phone by setting the most beautiful images your background and the most popular ringtones as your notification signals.