4K Upscale Prompt for Nano Banana Pro

A simple, one-line prompt used with Nano Banana Pro to test its upscaling capabilities. The AI not only enlarges the image but also intelligently reconstructs details and textures, such as previously illegible English text, demonstrating its context-aware enhancement features.

Prompt

Please upscale to 4K resolution.

How to use this prompt

Copy the prompt above and paste it into an AI image generator such as Google Gemini (Nano Banana) or a similar tool. Replace any bracketed placeholders with your own details, then generate and refine the result.

This prompt is designed to work with a reference photo. Upload your own photo (only one you have the right to use) together with the prompt.

Prompt collection credit: YouMind Awesome Nano Banana Pro Prompts (CC BY 4.0). Credit to the original prompt creators. To request removal of a prompt or image, please contact us.