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AI Lip Sync

Match the mouth movement in an existing video to a new voice track.

MP4 or WebM · Up to 25 MB · One video

MP3, WAV, OGG or M4A · Up to 25 MB · One audio file

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Results

Your results will appear here

Add your source, adjust the settings, and generate when this tool is available. You can find previous creations in your history.

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How to use this tool and common questions

How to use AI Lip Sync

  1. Prepare your input

    Choose an MP4 or WebM video and an audio track, each up to 25 MB.

  2. Review the settings

    Use a clip with a clearly visible face and speech with one speaker. Check the video and audio filenames before submission.

  3. Check your result

    When this tool is available, review the displayed credit cost and submit. Follow the task in your asset library, then preview and download available results.

Model terms and usage rights

Review the provider terms and model-specific restrictions before publishing. Vyi credits do not grant a provider subscription or a blanket commercial license.

Before you create

How are credits charged?

The generation panel shows the selected model’s credit cost. A task is charged when it starts; failed tasks are returned through the credit ledger. Check your balance and billing history in your account.

Where do my results go?

Your asset library contains completed, running and failed tasks. You can search your history, copy a prompt, preview a result and download available files.

What can I upload?

Upload material you own or have permission to use. Use a person’s photo or voice only with their consent. Review generated details before sharing or publishing.

Continue your workflow