by PopNowVideo
Lip Sync
Re-voice a video with new speech, lips matched
From 1.8 credits per second of video≈ $0.018
What it's like to use
Lip Sync re-voices an existing clip: send a video and a new speech track, and the person's mouth is redrawn to match the words while everything else stays as shot.
Good for
- Dubbing a clip into another language
- Fixing a line after the shoot
- Giving a silent generated clip a spoken line
What Lip Sync can do
Each mode opens in the studio with Lip Sync already picked. The price shows before you generate.
How to prompt Lip Sync
- Choose footage with one person whose mouth is clearly visible.
- Use clean speech of 3 to 60 seconds; a shorter video is looped to cover it.
- Only re-voice people with their permission.
Settings worth knowing
Everything else has a sensible default, so you can type a prompt and go.
video_url- The clip to work on.
audio_url- The voice or music track to use.
How it compares
Same kind of job, different strengths and prices.
Talking Avatar starts from a still portrait instead of a video.
Questions about Lip Sync
How much does Lip Sync cost?
On PopNow, the cheapest run of Lip Sync costs 1.8 credits ($0.018) per second of video. You pay with credits (1 credit = $0.01), the exact cost shows on the Generate button before you start, and failed generations are refunded automatically.
What can Lip Sync do?
On PopNow, Lip Sync works in these modes: Lip Sync. Pick one in the studio and add a prompt or an upload.
How should I write prompts for Lip Sync?
Choose footage with one person whose mouth is clearly visible. Use clean speech of 3 to 60 seconds; a shorter video is looped to cover it. Only re-voice people with their permission.
Lip Sync or Talking Avatar?
Talking Avatar starts from a still portrait instead of a video.
Do I need to install anything to use Lip Sync?
No. Lip Sync runs in your browser on PopNow: write a prompt or add a file, choose the settings and download the result. Sign up and you can generate straight away.
Make something with Lip Sync
Type an idea, pick your settings and see the price before you hit Generate.


