AI-powered voice changer apps have evolved from novelty tools into sophisticated applications that leverage deep learning to modify and customize voices for various purposes such as entertainment, privacy, accessibility, and content creation. These tools, which can work in real-time or post-production, allow users to alter their voice's pitch, tone, accent, and identity, providing more realistic and nuanced results than older technologies. They are popular in gaming, storytelling, and virtual environments, enabling users to match their voices to characters or scenarios and offering a layer of privacy and security in online interactions. Companies like ElevenLabs are at the forefront of this technology, providing tools to design entirely new voice identities and ensuring consistency across projects and languages. These advancements raise important ethical considerations, particularly around the potential misuse for impersonation and misinformation, highlighting the need for responsible use of AI voice changers. As they become more customizable and realistic, these tools open up new possibilities for creative expression and communication while also posing challenges related to their ethical application.