01
Add the source video
Upload a video or paste an accessible video URL. Choose footage with a clear, visible speaking face.
AI Lip Sync Video Generator
Add an existing video of a speaker and the speech audio you want to match. Generate a video with updated mouth movement, then inspect the result.
Source videoSpeech audioMouth timingResult check
Source video and speech audio
Upload files or paste hosted media URLs.
Lip sync40 cr
Video format
MP4/WebM/MOV
Audio source
MP3/WAV/M4A
Sync status
Waiting for media
Add both media sources before generating
Talking-video use cases
Prepare a speaker video and recorded or generated speech for a product message, lesson or character line. These are planning ideas, not proof of generated results.
Founder demo
Character ad
Training avatar
Music hook
Match a video to speech audio
Both an existing video and an audio track are required; a text prompt or portrait alone is not enough.
02
Add the speech audio
Upload your narration or paste an accessible audio URL. Listen first and check that the intended words are clear.
03
Generate the lip-sync video
Submit both sources and wait for the processing result. Keep the inputs available while the task runs.
04
Inspect the result
Watch the mouth timing, face, pauses and ending. If the result looks wrong, shorten or improve the source material before trying again.
Inputs and result checks for lip sync
Speech audio source
Use a recorded or generated speech track; this page does not turn typed text directly into narration.
Existing speaker video
Start with footage rather than asking this page to create a person from an image or prompt.
Source upload or URL
Add each media source through its upload control or paste its accessible URL.
Video result playback
Play the returned video and inspect face consistency and mouth timing. Automatic subtitle creation is not offered here.
Related tools
Move from script and voice direction into talking-head video generation.
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Monthly plan · 4,000 credits renew each month
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Monthly plan · 12,000 credits renew each month
- 12,000 credits per month
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- Up to 150 short videos/month
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- Highest priority queue
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- Priority support
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For agencies, production teams, and custom volume needs.
AI Lip Sync Video questions
Prepare both sources and understand the limits before processing.
What do I need to start?
An existing video and a speech audio track are required. A portrait or text prompt alone cannot run this lip-sync workflow.
Does this page generate my voiceover?
No. Record your narration or prepare it with the voice generator, then add the audio here.
Does it add subtitles or create a music visualizer?
No subtitle or music-visualizer controls are provided on this page. It matches mouth movement in source footage to the supplied audio.
What should I check before sharing?
Inspect pronunciation timing, face consistency, pauses and the final frame. Results vary with the sources and the processing model.
Can I use someone else’s video or voice?
Use only sources you have permission to process and publish. Confirm the speaker’s permission where relevant.
Match your speaker video to speech
Add your video and audio, then inspect the generated mouth movement.