Microphone Voice Changer (MVChanger) is a very easy-to-use application that can be used to make voice changes in a recording. 
Edit your voice in high pitch with a funny or frightening sound modifier.

The application has many different options that you can use to change your voice. For example, you can change the tone, pitch, speed, volume, and sound of the voice.

It has lots of new effects such as ogre, witch, spooky sounds, and chipmunk voice. You can use cool speech modifier features and entertain your friends! You can also save, share, and use your recordings as ringtones for free.