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  1. Motion Control AI
  2. AI Lip Sync Generator

AI Lip Sync Generator

For Video, Photo & Characters

Upload an existing character video and replacement audio to synchronize the mouth movement. Starting from a still image? Switch to photo mode and use audio or text.
Existing video + replacement audioPhoto + audio or textCharacter, photo & cartoon lip sync

Upload a video with one clearly visible speaking character and a stable view of the mouth.

Use clear speech with little background noise for tighter mouth synchronization.

Public
Private
PixVerse Lip Sync — video and audio
Preparing generatorControls will be ready in a moment.

One AI lip sync generator for videos and character images

The default AI video lip-sync workflow uses PixVerse Lip Sync: upload an existing character video, add a replacement audio track, and generate a new video with synchronized visible mouth movement. It is designed for turning audio into a lip-synced video, including existing-video localization workflows.

If your source is a still image, switch to P Video Avatar. That secondary workflow creates AI photo lip sync from uploaded audio or a written script, so you can lip-sync an image to audio while keeping the broader Lip Sync page focused on video first.

Video-first AI lip sync, with photo mode when needed

Choose the input path that matches the media you already have and the result you need.

AI video lip sync

Upload an existing video and replacement speech audio to synchronize visible mouth movement with the new track.

AI video lip sync

Audio-driven lip sync video

Use one clean speaker track for dubbing, localization, rewritten dialogue, and alternate voice versions.

Audio-driven lip sync video

AI photo and character lip sync

Switch to photo mode for realistic, illustrated, or cartoon characters and drive the image with audio or text.

AI photo and character lip sync

How to lip-sync an existing video with AI

Choose the workflow that matches the media you already have. The form changes automatically with the selected model.

1

Upload an existing character video

Start in PixVerse Lip Sync with a clear character video where the mouth remains visible.

2

Upload replacement speech audio

Add one clean voice track with little background noise, music, or overlapping dialogue.

3

Generate and review the lip sync

Create the video, check mouth timing and visual consistency, then download the finished MP4.

Ways to use the AI lip sync generator

Create new speech versions from existing footage or animate a permitted character image when no video exists.

Localized video dialogue

Pair an existing presenter or character clip with translated or rewritten speech for a new audience.

Character and avatar videos

Create alternate dialogue for virtual presenters, story characters, game concepts, and social content.

Cartoon lip sync

Synchronize an existing cartoon clip or animate one illustrated portrait with speech.

Workflow essentials for AI Lip Sync Generator

Inputs, recommended setup, and the most common fixes—summarized in one compact guide.

Inputs and setup

  • PixVerse Lip Sync — existing video plus uploaded audio; P Video Avatar — portrait image plus script or audio.
  • Image formats: JPG, JPEG, PNG, and WebP.
  • Uploaded audio, or script and generated voice in photo mode; 720p or 1080p MP4, selected before generation.
  • Use a front-facing character with a visible mouth and minimal obstruction.

Two quick fixes

Problem
Fix
Mouth timing looks loose
Use cleaner speech and remove background music or multiple speakers.
The face changes too much
Try a sharper, front-facing character with less occlusion and a simpler background.

AI Lip Sync Generator FAQ

Can I lip-sync an existing video to new audio?+
Yes. The default PixVerse Lip Sync workflow accepts an existing source video and a replacement speech audio track.
Can I create AI photo lip sync from one image?+
Yes. Switch to P Video Avatar, upload one clear character image, then add speech as audio or a written script.
Do I need to record my own voice?+
No. The photo workflow can generate speech from a script with selectable voices and languages. You can also upload your own recording.
Which model should I choose?+
Choose P Video Avatar when your source is a still image. Choose PixVerse Lip Sync when the source is already a video.
What images work best for characters?+
Use a clear, front-facing character portrait with the eyes and mouth visible. 2D, 3D, illustrated, and realistic characters can be tested.
Are the preview videos actual model examples?+
Yes. The rotating previews use public examples published for P Video Avatar and PixVerse Lip Sync on Replicate.

Explore AI Lip Sync Generator

Choose a focused workflow inside the AI Lip Sync Generator collection.

AI Cartoon Lip Sync Generator

Make a cartoon character talk from one image and a script or audio, or lip-sync an existing cartoon video to new speech.

Open tool

AI Talking Photo Generator

Upload a photo, type text or add audio, and turn the image into a talking video. Make pictures talk with AI voice and natural lip sync online.

Open tool

Create your AI lip-sync video

Upload an existing video and replacement audio, or switch to photo mode when your source is a still image.

Lip-sync a videoPricing

AI Lip Sync Generator for Video, Photo, and Characters

This AI Lip Sync Generator supports two distinct workflows in one hub. Use AI video lip sync to synchronize an existing video with replacement audio, or switch to AI photo lip sync to animate a realistic, illustrated, 2D, or 3D-style character image from audio or text. It supports dubbing, localization, alternate dialogue, AI character lip sync, and cartoon lip sync without manual mouth animation.

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