Guide, updated September 2026
Cutting out a subject without a green screen
The AI cutout tool lifts a person out of whatever's behind them, no fabric backdrop required. It's genuinely useful, with some real limits worth knowing upfront.
Select a clip, apply the cutout tool, and Edits analyzes the footage frame by frame to separate the subject from the background automatically. No physical green screen, no special lighting rig required in theory. In practice, a few things still make the difference between a clean result and a rough one, and knowing them upfront saves a lot of trial and error later in the edit.
Contrast still matters, just differently
A real green screen relies on a solid, uniform color to key out cleanly. The AI version relies on visual contrast between subject and background instead, using the footage itself rather than a known reference color. Wearing colors and textures clearly different from what's behind you gives the model an easier job. Standing in front of a wall in a shirt close to that wall's color and pattern is where this tool struggles most, the same basic problem a physical green screen has with green clothing, just less obvious going into the shoot.
Movement is the real test
A cutout that looks clean on a still frame can fall apart once the subject actually moves, particularly with fast hand gestures or hair swinging across the frame. Always scrub through a few seconds of actual movement after applying the cutout, not just the one frame you happened to pause on, before deciding it's ready to move forward with.
AI cutout versus a real green screen
| Situation | Better choice |
|---|---|
| Planned studio-style shoot, controlled lighting | Real green screen |
| Unplanned or outdoor shot, no fabric available | AI cutout |
| Product demo needing a perfectly clean edge | Real green screen |
| Fast-turnaround content, casual setting | AI cutout |
| Subject wearing solid colors close to the background | Neither works well; change wardrobe or location first |
Lighting still helps, even without a screen
Even, front-facing light makes edge detection easier for the model, the same as it would for a real green screen. Strong backlighting or a single harsh side light creates shadow zones the AI has to guess at, and it usually guesses by leaving a faint halo or slightly rough edge around the subject, most visible around hair and shoulders.
A quick fix for rough edges
If the cutout leaves a visible fringe, a thin semi-transparent border, try re-cutting with the subject slightly further from the background in frame, or better separated by lighting. Re-shooting that specific detail is often faster than trying to manually clean up a rough cutout after the fact, since fine-edge correction tools aren't part of the app's editing toolkit.
Where cutouts fit into the rest of your edit
Cutouts are typically the first AI step in a project that also uses captions, keyframed motion, or overlays, since everything layered on top depends on a clean subject to work with. Doing the cutout early, checking it against movement, and only then adding text or animated elements avoids having to redo layered work if the cutout needs a second pass.
Testing before a full shoot
If you're planning a shoot specifically to use the cutout tool, film a short fifteen-second test first in the actual location and wardrobe you're planning to use, and check the result before committing to a longer session. It's a much faster way to catch a wardrobe or lighting problem than discovering it after you've already filmed the whole thing you needed the clean cutout for.
Frequently asked questions
Does the AI cutout need a specific background color to work?
No. Unlike a physical green screen, it works off visual contrast in the actual footage, not a known reference color. That's what makes it usable without any fabric setup.
Why does my cutout look fine paused but rough while playing?
Motion is the hardest case for any background-removal tool. Always check a few seconds of actual movement, not just a paused frame, before trusting the result.
Can I combine a real green screen with the AI cutout tool?
You generally don't need to. A well-lit, properly set-up green screen gets keyed reliably on its own. The AI cutout is meant as an alternative for situations where a physical screen isn't practical, not an add-on to one.
What's the single biggest factor in cutout quality?
Even lighting on the subject, more than any setting inside the app. A well-lit shot with basic contrast against the background will usually outperform a poorly lit shot even with an ideal background.
Bottom line
The AI cutout is a real, usable tool for situations where a green screen isn't practical, not a lesser substitute you settle for. Light your subject evenly, pick wardrobe with some contrast against the background, and always check a moving frame before moving on. For shots that absolutely need a perfect edge, a proper green screen setup, covered in the green screen guide, is still the more reliable option.