Nano Banana Aspect Ratio Control Tool

Solve Nano Banana's aspect ratio issues and make generated images production-ready

90%+ Success Rate
All Common Ratios
Completely Free

Why Do You Need an Aspect Ratio Control Tool?

While Nano Banana is powerful, it has aspect ratio control issues that prevent generated images from being used directly in production environments. Our tool perfectly solves this problem.

Problem

Nano Banana generates images with random aspect ratios, making it impossible to control output dimensions

Impact

Cannot be used for video production, social media publishing, and other production scenarios

Solution

Use our aspect ratio control tool to precisely control output proportions

How to Use the Aspect Ratio Control Tool

Simple three steps to solve aspect ratio problems

1Upload Image to Adjust Aspect Ratio

Drag & drop image here or click to upload

2Select Target Aspect Ratio Template

3Generate Adjusted Image

Usage Instructions

Image order is important: original image first, aspect ratio template second
If blue background appears, try a few more times
Recommend using Gemini 2.5 Pro model for better results

Prompt Template

Redraw the content of Figure 1 onto Figure 2, add content to Figure 1 to fit the aspect ratio of Figure 2, completely clear the content of Figure 2, and only retain the aspect ratio of Figure 2.

Frequently Asked Questions

Why does a blue background appear?

This is a known issue with Nano Banana. Try a few more times to resolve it. We recommend using the Gemini 2.5 Pro model for more stable results.

Can I change the image order?

We don't recommend changing the order. The original image must be placed first, and the aspect ratio template second, to get correct results.

What image formats are supported?

We support common image formats like JPG, PNG, WEBP, etc. We recommend using high-quality original images for the best results.

Start Using the Aspect Ratio Control Tool

Solve Nano Banana aspect ratio issues and make generated images production-ready