Voice changing software for voice-overs, instant messaging and online games. MorphVOX Pro Voice Changer will change the way you play games and chat. Change your voice to enhance your online gaming experience or to disguise your age, gender or identity. MorphVOX is optimized for online games, but is also is great for prank calling friends via instant messaging and VoIP. Download free voice and sound packs adding hundreds of new voices and sounds to MorphVOX Pro.