Sep 12, 2025 15:30:00

A summary of prompts and sample images that can be used to make the most of Google's image generation AI 'Nano-banana'

Gemini 2.5 Flash Image (Nano Banana) , an image generation AI released by Google in August 2025, excels at editing input images while preserving their distinctive features, and even free users can generate up to 100 images per day . A volunteer has posted a GitHub page compiling prompts and examples that can be used with Nano Banana, so we've picked out a few.

Awesome-Nano-Banana-images/README_en.md at main · PicoTrex/Awesome-Nano-Banana-images · GitHub
https://github.com/PicoTrex/Awesome-Nano-Banana-images/blob/main/README_en.md

·table of contents
◆1: Turn illustrations into figures
◆2: Photos of yourself from different eras
◆3: Cross-view image generation
◆4: Coloring the line art using a color palette
◆5: Colorizing old photos
◆6: Change into a specific outfit
◆7: Change character pose
◆8: Specify a pose from the line drawing
◆9: From maps to three-dimensional building illustrations
◆10: Makeup analysis
◆11: Multiple character pose generation
◆12: Lighting control
◆13: Extract the subject and place it on a transparent layer
◆14: Place a giant anime figure in the middle of Tokyo
◆15: Converting to Manga Style
◆16: Creating ID photos

◆1: Turn illustrations into figures
Example input

Example output

prompt
[code]turn this photo into a character figure. Behind it, place a box with the character's image printed on it, and a computer showing the Blender modeling process on its screen. In front of the box, add a round plastic base with the character figure standing on it. set the scene indoors if possible[/code]

◆2: Photos of yourself from different eras
Example input

Example output

prompt
[code]Change the characer's style to [1970]'s classical [male] style Add [long curly] hair, [long mustache], change the background to the iconic [californian summer landscape] Don't change the character's face[/code]

Note: Change the text in [brackets] to your desired era or details.

◆3: Cross-view image generation
Example input

Example output

prompt
[code]Convert the photo to a top-down view and mark the location of the photographer.[/code]

◆4: Coloring the line art using a color palette
Example input

Example output

prompt
[code]Accurately use the color palette from Figure 2 to color the character in Figure 1[/code]

◆5: Colorizing old photos
Example input

Example output

prompt
[code]restore and colorize this photo.[/code]

◆6: Change into a specific outfit
Example input

Example output

prompt
[code]Choose the person in Image 1 and dress them in all the clothing and accessories from Image 2. Shoot a series of realistic OOTD-style photos outdoors, using natural lighting, a stylish street style, and clear full-body shots. Keep the person's identity and pose from Image 1, but show the complete outfit and accessories from Image 2 in a cohesive, stylish way.[/code]

◆7: Change character pose
Example input

Example output

prompt
[code]Have the person in the picture look straight ahead[/code]

◆8: Specify a pose from the line drawing
Example input

Example output

prompt
[code]Change the pose of the person in Figure 1 to that of Figure 2, and shoot in a professional studio[/code]

Note: You will need to upload a line drawing and a reference image.

◆9: From maps to three-dimensional building illustrations
Example input

Example output

prompt
[code]Take this location and make the landmark an isometric image (building only), in the stvle of the game Theme Park[/code]

◆10: Makeup analysis
Example input

Example output

prompt
[code]Analyze this image. Use a red pen to mark areas that can be improved Analyze this image. Use a red pen to denote where you can improve[/code]

◆11: Multiple character pose generation
Input and Output Examples

prompt
[code]Please create a pose sheet for this illustration, making various poses![/code]

◆12: Lighting control
Input and Output Examples

prompt
[code]Change the character from Image 1 to the lighting from Image 2, with dark areas as shadows[/code]

Note: You must upload a lighting reference image along with your image in your input.

◆13: Extract the subject and place it on a transparent layer
Example input

Example output

prompt
[code]extract the [samurai] and put transparent background[/code]

Note: Replace the text in [brackets] with the object you want to extract.

◆14: Place a giant anime figure in the middle of Tokyo
Example input

Example output

prompt
[code]A realistic photographic work. A placed gigantic statue of this person has been in a square in the center of Tokyo, with people looking up at it.[/code]

◆15: Converting to Manga Style
Example input

Example output

prompt
[code]Convert the input photo into a black-and-white manga-style line drawing.[/code]

◆16: Creating ID photos
Example input

Example output

prompt
[code]Crop the head and create a 2-inch ID photo with:
1. Blue background
2. Professional business attitude
3. Frontal face
4. Slight smile[/code]