None
None
Long Story Video Skill
Turn your idea into 10s–10min video—AI writes scripts, prompts, and generates footage automatically.
Ads Video Skill
Generate professional ads and sales videos—AI auto-generates scripts, prompts, and footage.
3D Science Explainer Video Skill
Convert scientific concepts into stunning 3D explain animations
Feedback
freeTrialImage.bannerPity
freeTrialImage.upgradeUnlock
- ✓freeTrialImage.benefitHd
- ✓freeTrialImage.benefitWatermark
- ✓freeTrialImage.benefitUnlimited
face swap minimax h3
Drop in four portraits and let face swap MiniMax H3 place new performers inside a video you already cut — same timing, same camera moves, same audio.
All Tools
Discover our comprehensive AI-powered animation toolkit
MiniMax H3
MiniMax H3 AI Video Generator
Seedance 2.5
The Future of AI Video Is Here.
Seedance 2.0
The Future of AI Video Is Here.
Veo3.1
Create Stunning Videos with Veo3.1
FLUX 3 Video Generator
Kling 3.0
Next-Gen AI Video Generator
Grok Video Generator
Create Videos from Text or Images with AI
MiniMax H3 video generator
MiniMax H3 AI Video Generator
Face Swap MiniMax H3: Recasting Without a Re-Shoot
Nothing about your original take gets rebuilt. The footage still supplies the acting, the pacing and the runtime; the portraits you upload simply decide which performer the audience ends up seeing.
- Four Performers, One Portrait EachHand the tool a clear photo for every new performer, four at most. They step into the leading roles in left-to-right order, so the sequence of your uploads should mirror where those people sit in the frame.
- The Acting Stays Exactly as ShotNo new animation is invented. Gestures, beats, expressions, lighting and lens movement all come from the existing clip; the swap only supplies faces — plus wardrobe when your photo happens to show it.
- Low-Cost 768p Check Before the FinalA quick low-resolution pass tells you whether each face landed on the right body before you pay for a full master, and the bill tracks clip length rather than a flat fee.
Running Face Swap MiniMax H3 in Three Moves
Load the source, arrange the portraits, then preview and finalize. Duration and audio carry through to the output untouched.
Built for Edits That Already Work
Picture a casting desk for a take you are happy with: rather than ordering a fresh render, you keep the shot and choose whose face sits inside it.
Prompt Control Over Who Plays Whom
An optional one-liner replaces the default left-to-right assignment — for instance, naming the woman on the right as person 1.
Faces Followed Through Every Cut
A swapped face stays consistent across the whole edit, since the tool keeps tracking each person from one shot to the next.
Cut Points and Audio Untouched
Original edit points and sound pass straight through, so the result slots into your finished piece instead of being rebuilt from the ground up.
Same Runtime Going Out as Coming In
Whatever length you send is the length you get back, which removes any re-editing work and keeps pricing tied to duration.
Choosing a Portrait That Works
Sharp, front-facing and evenly lit, one person per frame; a half-body frame preserves hair and clothing better than a tight crop, while sunglasses, hats, covered faces, group photos and heavy filters all hurt the result.
Where Results Get Shaky
Dense crowds, distant or tiny faces, quick movement and anything blocking the face right after a cut are hard; on long shots or profile turns the likeness can slide back toward the original performer.
Face Swap MiniMax H3 — Common Questions
Straight answers on swapping the cast of footage you have already shot.
What exactly does this tool change in my video?
It replaces the people on screen with the faces from your portraits. Motion, camera behaviour, edit points and audio are all preserved from the source — nothing is generated from scratch.
Is there a length limit on the upload?
Between five and thirty seconds. Each individual shot has to stay under fifteen seconds, so split longer takes first; the output matches the length of whatever you sent.
How many faces can I swap at once?
Up to four, one portrait each. The default mapping runs left to right across the main figures; if that order is wrong, a brief prompt lets you reassign it.
Which portraits give the best results?
A crisp, well-lit frame with the person facing camera, cropped around the torso rather than the head alone so hair and clothing are visible. Avoid sunglasses, headwear, a hand across the face, several people in one shot, heavy filters and low resolution.
Why preview at 768p first?
The low-resolution pass shows whether each face landed on the right person before you spend on a full-quality output. Since pricing follows runtime, catching a wrong portrait early costs almost nothing.
What is this tool not designed for?
It cannot invent new movement, new camera angles or a different location — the uploaded clip decides all of that. It also struggles with packed scenes, faces that are small or far off, and fast motion or objects crossing the face just after a cut.
Recast a Finished Take With Face Swap MiniMax H3
Keep the performance you shot and simply change who appears in it — your edit points, camera movement and audio come out the other side exactly as they went in.