Gemini: Precise face swap using image highlighting

Gemini Try it →Watch full video →Vid & Views · Jan 2026

Demo summary

The user demonstrates a more accurate method in Google Gemini by uploading a target image with a face pre-highlighted in red to ensure the AI swaps the correct person.

Step-by-step

Highlight the target face in red on your base image using an external editor before uploading
Upload the image with the red highlight to Gemini
Upload the source face image (e.g., Mr. Beast 3)
Enter a prompt specifying to take the face from the source image and swap it with the face highlighted in red
Specify the result aspect ratio (e.g., 16:9) in the prompt
Click proceed and wait for the generation

Options

Request changes to the facial expression in the prompt

Watch out for

You must highlight the face in red before bringing the picture into Gemini to ensure accuracy with multiple faces

Tips

To get the most accurate result, always use the highlighting method
Use 16:9 aspect ratio if you are creating content for YouTube

Highlights

“it just replaced perfectly... I really like it”

All demos from “AI Face Swap: How to Change Any Face in an Image (Beginner Guide)”

0:001:25Simple face swap with Google GeminiThe user demonstrates uploading two images to Google Gemini and using a text prompt to swap a face from one image into a Mr. Beast thumbnail.Gemini· AI Face Swap Generator
1:252:20Face swap with multiple subjects using text descriptionsThe creator shows how to target a specific person in a group photo by describing their position (e.g., 'second face to the left') within the Gemini prompt.Gemini· AI Face Swap Generator
3:451:35Precise face swap using image highlightingCurrentThe user demonstrates a more accurate method in Google Gemini by uploading a target image with a face pre-highlighted in red to ensure the AI swaps the correct person.Gemini· AI Face Swap Generator
Watch “AI Face Swap: How to Change Any Face in an Image (Beginner Guide)” →

AI Face Swap Generator

1:111:51Face swap images with Gemini Nano Banana ProThe creator demonstrates how to upload a source face image and a target body image into Gemini Nano Banana Pro, then uses a specific numbered prompt to merge the face from the first image onto the body of the second.AsapGuide
0:001:25Simple face swap with Google GeminiThe user demonstrates uploading two images to Google Gemini and using a text prompt to swap a face from one image into a Mr. Beast thumbnail.Vid & Views
1:252:20Face swap with multiple subjects using text descriptionsThe creator shows how to target a specific person in a group photo by describing their position (e.g., 'second face to the left') within the Gemini prompt.Vid & Views
3:451:35Precise face swap using image highlightingCurrentThe user demonstrates a more accurate method in Google Gemini by uploading a target image with a face pre-highlighted in red to ensure the AI swaps the correct person.Vid & Views