Vidm8.com is described as 'Vidm8 is a free and simple online service for converting videos from Youtube to mp3. It even can create ringtone from Youtube video' and is an website in the Audio & Music category. There are five alternatives to Vidm8.com, not only websites but also apps for iPhone, Mac and Android. The best alternative is Audiko, which is free. Other great sites and apps similar to Vidm8.com are Ringer.org (Free), Song Cutter and Ringtone Maker (Free), i39 (Paid) and Create Ringtones! (Freemium).
Ringer.org is a free ringtone maker to make ringtones from any song or audio file. Browse an audio file or upload from the Internet. Input file formats: AAC FLAC M4A MP3 OGG WAV WMA. Find the portion of the song you like by moving markers.
i39 is a lightweight and efficient OS X app that manages to reduce the whole ringtone creating process to a few mere mouse clicks. With i39 you can create many gorgeous unique ringtones from your favorite songs.