Upload video and audio to create lip sync videos with AI
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Lip Sync AI is a free online AI video generator that creates perfectly lip-synced videos by uploading any video and audio file. With 5 sync modes, multi-speaker detection, and support for any language, it delivers frame-accurate mouth movements in up to 4K resolution. The tool preserves original facial expressions while syncing lips, avoiding the dead-eyed look common in other solutions.
Key capabilities include:
Whether you're dubbing films for global audiences, creating multilingual marketing content, or building virtual presenters, Lip Sync AI streamlines the process with sub-frame accuracy and batch processing for scalable localization. Simply upload your media, choose a sync mode, preview, and export your professional-grade lip-synced video in minutes.
Upload your video or portrait photo and audio track.
Select one of 5 sync modes based on your project needs.
Check the real-time preview with timeline scrubbing to verify sync.
Export your video in up to 4K resolution.
Frame-accurate phoneme-level lip sync matching across 40+ languages
Talking avatar generation from static portraits with natural head motion and micro-expressions
Multilingual video dubbing with automatic lip re-syncing and multi-speaker detection
Real-time preview with timeline scrubbing for instant synchronization verification
Preserves original facial expressions and emotional performance while syncing lips
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Common questions to help you decide if Lip Sync AI is right for you.