Upload video and audio to generate natural mouth movement matched to the replacement voice.
Make people in a video speak naturally from an audio track. Ideal for AI avatars, dubbing, dialogue replacement, short-form content, and character voiceover scenes.
*1. Upload Video or Select from Creations
*2. Upload Audio or Generate Audio
Black areas = Person does not speak. White areas = Person speaks.
*1. Upload Video or Select from Creations
*2. Upload Audio or Generate Audio
Black areas = Person does not speak. White areas = Person speaks.








































See AI dubbing and dialogue replacement examples with natural mouth synchronization.
Use lip sync technology for AI dubbing, multilingual localization, and natural dialogue replacement while keeping expressions and mouth movements aligned to the new speech.
Upload a source video and new speech audio, optionally control the speaker, then generate the synced result.
Use this workflow when you already have footage and want to sync a new voice track to the visible speaker.
Best For: Dubbing, localization, dialogue replacement, and post-production voice updates
Workflow Overview
Upload a source video, add the replacement audio, and generate lip movement that follows the new speech timing.
Model Summary
Make people in a video speak naturally from an audio track. Ideal for AI avatars, dubbing, dialogue replacement, short-form content, and character voiceover scenes.
Recommended Flow
Upload the Source Video -> Add the New Audio -> Mask Speaker if Needed -> Generate the Dubbed Result
Choose the clip whose visible speaker should be re-synced.
Upload or generate the replacement speech track for the video.
Use an optional mask image when you need to control which person is speaking.
Render the updated video and download the final lip-synced version.
Upload video and audio to start creating.
Choose a plan for video editing, lip sync, video extend, video face swap, video upscale, image-to-video, and text-to-video workflows.
Professional
Annual billing with 50% savings.
Ultra
Annual billing with 50% savings.
Standard
Annual billing with 50% savings.
Pay as you go for Video to Video AI credits (never expires)
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