# Video Background Changer

> A video background changer puts the people in your clip somewhere else. Kenerate Genjutsu's Change background mode keeps every person, their motion and the camera move, swaps the environment for a place you describe or show in a reference image, and relights the subjects to match. No green screen needed — but it doesn't output a transparent cut-out.

URL: https://kenerateai.com/video-background-changer
Publisher: Kenerate AI (https://kenerateai.com)
Last updated: 3 October 2026

## Key facts
- Mode: Change background
- New place from: Words or a reference photo
- Kept: People, foreground, motion, camera
- Lighting: Subjects relit to the new scene
- Green screen: Not needed
- Output: Finished MP4, not a cut-out
- Kenerate Genjutsu (Kenerate): Clip 2–15 s + up to 10 references → 480p, 720p or 1080p · ~2–4 min. Quick location swaps for talking clips, walks and product shots.
- Kenerate Genjutsu Pro (Kenerate): Clip 2–15 s + up to 10 references → 480p, 720p or 1080p · ~3–6 min. Cleaner edges around hair and hands against a busy new background.
- Seedance 2.5 (ByteDance): Clip 4–30 s + up to 30 references → 480p to 4K · ~4–8 min. Takes up to 30 s, several location references, or a 4K master.

## Steps
1. Upload the clip — MP4, MOV, WebM or M4V up to about 100 MB. Any background works — no green screen, no even lighting needed.
2. Choose Change background — The mode keeps every person and foreground object and replaces only the environment.
3. Describe or show the place — "A neon Tokyo street at night", or a photo of the location as @image1 for a specific look.
4. Pick engine and resolution — 720p by default; Seedance 2.5 for clips up to 30 s or 4K.
5. Check edges, then download — Look at hair, hands and fast motion in the synced compare view, then download or Add subtitles.

## In depth

### Replace versus remove
Background removal outputs your subject on nothing, for you to place yourself. Background replacement outputs the finished scene. Genjutsu only replaces: you tell it the new place and it renders people, foreground and environment together, with the subjects relit — which is why there's no edge to fix in another editor, and also why there's no cut-out layer to export.

### Picking a location the shot can believe
If the place is only in your head, describe it as you would to a location scout: where, when, what weather.
- Perspective: a low-angle clip needs a low-angle place.
- Lens: wide footage wants a wide vista, a close-up a tight wall.
- Light: matching direction and colour hide the edit.
- Scale: a desk-top product shot needs desk-sized surroundings.
- Motion: wind, rain or snow should touch hair and clothes too.

### Talking-head and interview clips
A presenter at a desk is the cleanest background change: one person, a steady camera, clear edges. Keep the original audio on so the voice stays in sync, then use the Add subtitles hand-off for captions. For a series, reuse the same location reference so every episode sits in the same place.

## FAQ
Q: Can I change a video background without a green screen?
A: Yes. Genjutsu's Change background mode works on ordinary footage: it keeps every person and foreground object with their motion and the camera move, and rebuilds the environment around them from your words or a reference photo. Because the scene is regenerated rather than keyed, flat lighting and a clean backdrop aren't required.

Q: Can it remove the background or make it transparent?
A: No. Change background replaces the setting with a new one; it doesn't cut the subject out, and there's no transparent or alpha-channel video output. If you need a cut-out for compositing in another editor, a background-removal tool is the right job; if you need a finished clip in a new place, this is.

Q: Does the lighting match the new background?
A: That's part of the instruction: subjects are relit to match the new scene's light direction, colour and shadows, with consistent perspective and scale, and clean edges around hair and hands. A golden-hour beach warms the faces; a neon street throws coloured light. Choose a reference whose light could plausibly fall on your subjects.

Q: Can I use my own background image?
A: Yes. Add the photo of the place as a reference and point to it in the prompt — "move them onto the street from @image1 at dusk". The engine matches its architecture or landscape, colours, time of day and weather. You can add more than one reference, for example a location and a weather mood, and name each.

Q: What is an AI green screen?
A: It's the idea of separating people from their surroundings without filming in front of green fabric. Some tools do it by cutting the person out; Genjutsu does it by regenerating the environment around them, which also lets the light change. The trade-off: you get a finished clip, not a layer you can composite yourself.

Q: Is it OK to change where someone appears to be?
A: Only with consent and without misleading anyone. A new background can make it look as if a real person was somewhere they never were, so edit footage you own, with the agreement of the people in it, and never use it to fake an alibi, a news event or a celebrity appearance. Label AI-edited clips.

## Related pages
- AI Video Editor: https://kenerateai.com/ai-video-editor
- Swap an object in a video: https://kenerateai.com/swap-object-in-video
- Edit video with an AI prompt: https://kenerateai.com/edit-video-with-ai-prompt
- Character swap AI: https://kenerateai.com/character-swap-ai
- Luma Modify Video alternative: https://kenerateai.com/luma-modify-video-alternative

## Sources
- Kenerate Genjutsu (video editor): https://kenerateai.com/app/genjutsu