ElevenLabs is a platform that provides tools for the creation and management of synthetic voices using AI technology. The platform enables the conversion of text into spoken audio, allowing users to customize voices or clone existing one. ElevenLabs includes functionalities for modifying voice outputs, such as voice timing, tone adjustments, and maintaining the nuances of speech. It also offers a dubbing feature that translates audio into various languages while retaining the characteristics of the original voice.