90+ Ready-to-Use Nano Banana Prompts Available on GitHub
- Ethan Carter
- Sep 26
- 8 min read
AI image generation thrives on the quality of prompts. A single well-structured prompt can completely transform results, helping creators unlock new levels of detail, style, and creativity. To make this easier, a GitHub project has gathered over 90 Nano Banana prompts into a single library—giving artists, developers, and AI enthusiasts a ready-to-use resource for experimentation.
Real-World Cases Using Nano Banana Prompts
The Nano Banana prompt library isn’t just theory—it has been applied in practical scenarios across different creative and professional fields. Below are examples showing how these prompts help unlock AI’s potential.
Note: Due to space limitations, we only showcase the first 30 case examples here. For the complete collection of 90+ cases, please visit the official Nano Banana GitHub repository.
Case 1: Illustration to Figure（by @ZHO_ZHO_ZHO）
Input | Output |
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input: Need to upload a reference image as the object for generating the figure
prompt:
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 possibleCase 2: Generate Ground View from Map Arrow（by @tokumin）
Input | Output |
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input: Need to upload a Google Maps image containing a red arrow
prompt:
draw what the red arrow sees / draw the real world view from the red circle in the direction of the arrow.Case 3: Real World AR Information（by @bilawalsidhu）
Output |
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input: Need to upload a reference image
prompt:
you are a location-based AR experience generator. highlight [point of interest] in this image and annotate relevant information about it.Note
Need to input the point of interest to be annotated in the prompt [POI]
Case 4: Extract 3D Buildings/Make Isometric Models（by @Zieeett）
Input | Output |
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input: Need to upload an image containing the corresponding object
prompt:
Make Image Daytime and Isometric [Building Only]Note
Modify the information in [brackets] as needed (can be set to vehicles, people, etc.)
Case 5: Photos of Yourself in Different Eras（by @AmirMushich）
Input | Output |
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input: Need to upload a photo of a person
prompt:
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 faceNote
Change the text in [brackets] to your era and detail information
Case 6: Multi-Reference Image Generation（by @MrDavids1）
Input | Output |
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input: Need to upload multiple reference images
prompt:
A model is posing and leaning against a pink bmw. She is wearing the following items, the scene is against a light grey background. The green alien is a keychain and it's attached to the pink handbag. The model also has a pink parrot on her shoulder. There is a pug sitting next to her wearing a pink collar and gold headphones.Note
The prompt needs to describe in detail and include multiple reference objects
Case 7: Automatic Photo Editing（by @op7418）
Input | Output |
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input: Need to upload an image that needs correction
prompt:
This photo is very boring and plain. Enhance it! Increase the contrast, boost the colors, and improve the lighting to make it richer,You can crop and delete details that affect the composition.Case 8: Hand Drawing Controls Multi-Character Poses（by @op7418）
Input | Output |
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input: Need to upload character images and hand-drawn sketches
prompt:
Have these two characters fight using the pose from Figure 3. Add appropriate visual backgrounds and scene interactions,Generated image ratio is 16:9Case 9: Cross-View Image Generation（by @op7418）
Input | Output |
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input: Need to upload a photo taken from the ground
prompt:
Convert the photo to a top-down view and mark the location of the photographer.Case 10: Custom Character Stickers（by @op7418）
Input | Output |
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input: Need to upload a sticker reference image and a character image
prompt:
Help me turn the character into a white outline sticker similar to Figure 2. The character needs to be transformed into a web illustration style, and add a playful white outline short phrase describing Figure 1.Case 11: Anime to Real Coser（by @ZHO_ZHO_ZHO）
Input | Output |
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input: Need to upload an illustration image
prompt:
Generate a photo of a girl cosplaying this illustration, with the background set at ComiketCase 12: Generate Character Design（by @ZHO_ZHO_ZHO）
Input | Output |
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input: Need to upload a character reference image
prompt:
Generate character design for me (Character Design)
Proportion design (different height comparisons, head-to-body ratio, etc.)
Three views (front, side, back)
Expression design (Expression Sheet) → like the image you sent
Pose design (Pose Sheet) → various common poses
Costume design (Costume Design)Case 13: Color Line Art with Color Palette（by @ZHO_ZHO_ZHO）
Input | Output |
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input: Need to upload a line art image and a color palette image
prompt:
Accurately use the color palette from Figure 2 to color the character in Figure 1Case 14: Article Infographic（by @黄建同学）
Output |
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input: Need to upload a blog/article
prompt:
Generate an infographic for the article content
Requirements:
1. Translate the content into English and extract key information from the article
2. Keep the content in the image concise, only retaining the main title
3. Use English text in the image
4. Add rich and cute cartoon characters and elementsCase 15: Change Multiple Hairstyles（by @balconychy）
Output |
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input: Need to upload a portrait image that needs hairstyle changes
prompt:
Generate avatars of this person with different hairstyles in a 3x3 grid formatCase 16: Model Annotation Explanation Diagram（by @berryxia_ai）
Output |
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Caution
There are a considerable number of errors in the annotation results ⚠️. Please note that the Nano-Banana annotations are not entirely accurate, and you should carefully verify the correctness of the information before using it.
prompt:
Draw [3D human organ model display example heart] for academic presentation, with annotations and explanations, suitable for showcasing its principles and [each organ's] functions, very realistic, highly detailed, with extremely fine design.Note
Change the text in [brackets] to the model you want to showcase
Case 17: Custom Marble Sculpture（by @umesh_ai）
Output |
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input： Need to upload a reference image
prompt:
A photorealistic image of an ultra-detailed sculpture of the subject in image made of shining marble. The sculpture should display smooth and reflective marble surface, emphasizing its luster and artistic craftsmanship. The design is elegant, highlighting the beauty and depth of marble. The lighting in the image should enhance the sculpture's contours and textures, creating a visually stunning and mesmerizing effectCase 18: Cook Based on Ingredients（by @Gdgtify）
Input | Output |
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input: Need to upload a photo with various ingredients
prompt:
make me a delicious lunch with these ingredients, and put it on a plate , zoomed in view of the plate, remove the other plates and ingredients.Case 19: Math Problem Reasoning（by @Gorden Sun）
Input | Output |
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input: Need to upload a math problem
prompt:
Write the answer to the problem in the corresponding position based on the questionCase 20: Old Photo Colorization（by @GeminiApp）
Input | Output |
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input: Need to upload an old photo that needs restoration
prompt:
restore and colorize this photo.Case 21: OOTD Outfit（by @302.AI）
Input | Output |
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input: Need to upload a person image and clothing image
prompt:
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.Case 22: Character Clothing Change（by @skirano）
Input | Output |
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input: Need to upload person image and clothing image
prompt:
Replace the person's clothing in the input image with the target clothing shown in the reference image. Keep the person's pose, facial expression, background, and overall realism unchanged. Make the new outfit look natural, well-fitted, and consistent with lighting and shadows. Do not alter the person's identity or the environment — only change the clothes.Case 23: Multi-View Result Generation（by @Error_HTTP_404）
Input | Output |
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input: Need to upload reference image
prompt:
Generate the Front, Rear, Left, Right, Top, Bottom views on white. Evenly spaced. Consistent subject. Isometric Perspective Equivalence. Case 24: Movie Storyboard（by @GeminiApp）
Input | Output |
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input: Need to upload reference image
prompt:
Create an addictively intriguing 12 part story with 12 images with these two characters in a classic black and white film noir detective story. Make it about missing treasure that they get clues for throughout and then finally discover. The story is thrilling throughout with emotional highs and lows and ending on a great twist and high note. Do not include any words or text on the images but tell the story purely through the imagery itself.Case 25: Character Pose Modification（by @arrakis_ai）
Input | Output |
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input: Need to upload reference image
prompt:
Have the person in the picture look straight aheadCase 26: Generate image from line drawing（by @ZHO_ZHO_ZHO）
Input | Output |
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Input: Need to upload line drawings and reference images
Prompt:
Change the pose of the person in Figure 1 to that of Figure 2, and shoot in a professional studioCase 27: Add Watermark to Image（by @AiMachete）
Input | Output |
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Input: Need to upload a reference image
Prompt:
Watermark the word ‘TRUMP’ over and over again across the whole image.Case 28: Knowledge Reasoning Image Generation（by @icreatelife）
Output |
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Prompt:
Make me an infographic of 5 tallest buildings in the world / Make a colorful infographic of the sweetest things on EarthCase 29: Red Pen Annotations（by @AiMachete）
Input | Output |
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Input: Need to upload a reference image
Prompt:
Analyze this image. Use red pen to denote where you can improve.Case 30: Explosive Food（by @icreatelife）
Output |
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Input: Need to upload a reference image
Prompt:
Photograph this product in a dramatic modern scene accompanied by explosive outward dynamic arrangement of the key ingredients fresh and raw flying around the product signifying its freshness and nutritional value. promo ad shot, without text, product is emphasized, with the key brand colors as background.Using remio to Automatically Save Prompts
remio makes it simple to capture, organize, and retrieve prompts by combining automated scraping with its large language model (LLM). This feature ensures that your most valuable prompts are never lost and can be seamlessly reused across projects.
Here’s how you can save prompts into your library with Remio:
Use the Google Chrome extension and click “Add to Collections” to save a prompt directly into the desired collection.
Go to the remio home interface and use the @ function to mention the name of a specific collection.
remio’s LLM will then search the documents stored in that collection and allow you to retrieve the right prompt simply by asking in natural language.
By following these steps, prompts are automatically stored in your personal prompt library, making it easy to manage, organize, and reuse them whenever needed.
Conclusion
The Nano Banana Prompt Library on GitHub provides a powerful resource of 90+ carefully designed prompts, helping users explore creative, technical, and productivity-focused use cases. While this article highlights only the first 30 cases, the full collection is available directly on GitHub for those who want to dive deeper.
By combining this library with remio’s automated prompt-saving workflow, users can build a personalized Prompt Library that grows naturally over time. Whether through the Chrome extension or the in-app @collections feature, Remio ensures prompts are not only saved but also intelligently retrievable when needed.
In short, the Nano Banana library gives you the inspiration, and Remio makes it practical — together, they empower you to supercharge your prompt engineering journey.
