heygen

create heygen avatars from video footage (digital twin), a photo (photo avatar), or a text prompt (ai-generated). returns a look id for use with avatar-video.

re-sync video lip movements to new audio using heygen's lipsync technology. supports speed and precision modes with optional captioning.

translate videos into 30+ languages with voice cloning and lip-sync using heygen. supports speed and precision modes with optional captioning.

generate complete videos from natural language prompts using heygen's ai video agent. the agent handles avatar selection, scripting, and production automatically.

animate portrait photos into talking videos using heygen. upload a face image and add speech with configurable voice, motion prompts, and expressiveness.

generate talking avatar videos using heygen's digital and photo avatars with avatar iv or v engines, configurable voice, resolution up to 4k, and expressiveness.

clone a voice from a single short recording with heygen instant clone, and speak any text in it in the same call. the cloned voice id also works with heygen/text-to-speech and avatar videos.

generate natural speech audio from text using heygen's starfish tts engine. supports configurable voice, speed, ssml input, and multiple languages.