How to replace a person in a video with AI

Replace a person in a video in three steps

1. 1

   Upload the video: an MP4 or MOV file of 2 to 30 s, up to 50 MB, that you have the right to use.

2. 2

   Add a photo of each new person, 9 at most. The studio watches the video once and finds the people in it, for free.

3. 3

   Check who becomes you: the main person in the video is picked for you, and a tap on another face changes it. Clothes, sound, model and quality have defaults under Settings. Then create the new video.

What changes and what stays when you replace a person

• Changes: the face, hair, skin tone and build of each person you tap, and their clothes if you choose the photo’s.
• Stays: every move, gesture and lip movement, the cuts and the timing, the camera angle and its moves.
• Stays: the background, the light, the objects and everyone you did not tap.
• Stays: the sound of your clip, laid back over the new video after the render, unless you let the model make its own.

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The clip that works best to replace a person in a video

• Short: 5 to 10 s with one shot or few cuts. Every cut is a new moment the model must match.
• The person is clearly visible: not tiny in the distance, not hidden behind others or objects.
• Filmed at 24 to 60 frames per second, which is what phones record.
• About 720p or smaller if you want Seedance 2.0; the other models take a 1080p phone clip.

The photo of the new person

• One person per photo, face to the camera, no sunglasses or hat shadow.
• A full-body photo when the video shows the whole body, a half-body one for a talking video.
• Light that looks like the video’s: daylight with daylight, a dim room with a dim room.
• Someone who agreed to be in the result. No children, no public figures.

Replace a person or swap a face?

A face swap pastes a new face over the old one and leaves the hair, the body and the clothes as they were. Replacing the person, as Clone Cut AI does, redraws the whole person from the photo and keeps only the motion of the video.

Which model to use to replace a person in a video

Wan 3.0 is the default. The studio greys out any model your clip does not fit and says why, so you never pay for a request that cannot run.

Fix the usual problems

• The wrong person was swapped: tap the right face in "Who to replace"; the plan shows who becomes whom before you pay.
• The face drifts during the video: use a sharper, front-facing photo, or a shorter clip with fewer cuts.
• Extra people or new text appear: keep the default plan, which tells the model not to add people, captions or split screens.
• The model is greyed out: your clip is too long, too short or too sharp for it; pick another model or trim the clip.
• A render fails: its credits come back to your balance by themselves.

Do you have the right to replace a person in that video?

Only replace people in a video you filmed, licensed or have the owner’s permission for, and only with photos of people who agreed. A viral clip from someone else’s account is not yours to reuse. No children, no public figures. To have a clip removed from this site, use the takedown page.