AI Video Subject Replacement

Editing modes

MP4 or MOV · up to 200 MB

Model

Source clip: 3–15.5s · Reference images: ≤4

Resolution · Generate audio
Presets

Get a server quote before generating. Credits are reserved until completion.

Try an example

Source clip + prompt + references

New character, same performance

Includes a five-second source clip, editing instruction and all required reference images.

A new look for your footage

Upload a clip, describe your changes and choose a model

Upload videoMP4 or MOV · up to 200 MB
Edit instructionDescribe your changes and add optional reference images
Generate editConfirm the quote, then compare the original and result

Your edits

Your edits will appear here.

credits ↗

01

Upload your video

Use your own MP4 or MOV footage. Model requirements are checked before quoting.

02

Describe the edit

Choose a mode and preset. Describe the target precisely and add optional image guidance.

03

Generate and compare

Confirm the credit quote, generate, and compare the original with the result in your history.

How to use AI Video Subject Replacement

Identify the original subject and describe the replacement. Add a clear image of the new character for visual guidance. State which actions and scene details to retain; identity and motion preservation depend on the model.

Example instruction

Replace the main person with the character in the reference image. Keep the original actions, framing and surroundings consistent.

Replace a live-action performer with an illustrated character.

Frequently asked questions

How do I start?

Upload an MP4 or MOV, choose a model and describe the edit. Get a credit quote, then generate.

When are credits charged?

Credits are reserved when you submit and charged when the result succeeds. Confirmed supplier failures release the hold. Uncertain submissions stay reserved while checked.

Will every detail stay identical?

AI generates modified footage, so details and motion can vary. Start with a short clip and review the result.

Do I need a reference image?

Text-only instructions work. Add optional images for specific subjects, clothing, objects or styles; limits depend on the selected model.

Explore video styles