Best Way to Use Google Nano Banana (AI Image Editing Tutorial and Prompts Guide)

Unlock pixel-perfect AI image edits with Google’s Nano Banana—by placing your prompts directly on the image. In this tutorial, I show how to annotate a living-room photo (e.g., “add cat on pillow,” “spill coffee on rug,” “man outside window”), upload it to Google AI Studio → Nano, and get an accurate, text-free result that matches the exact areas you mark.

What you’ll learn

Why annotated image prompts produce the most accurate edits vs. text-only prompts

How to annotate in Canva (labels/arrows/boxes) for precise control

The exact Nano Banana prompt to remove labels from the final output

Pro tips for readable annotations, avoiding artifacts, and controlling composition

Workflow (quick steps)

Start with a base image (living room example).

In Canva, add short labels (e.g., “add cat,” “spill coffee,” “man outside”) and arrows to target locations.

Export (PNG/JPG).

In Google AI Studio → Nano Banana, upload the annotated image with this prompt:
“Modify the living room according to the annotated text instructions in the attached image, but make sure none of the text appears in the modified image.”

Generate and compare before/after.

Chapters

Intro – Why annotated prompts beat text-only
Annotating the image in Canva (labels + arrows)
Uploading to Nano Banana + exact prompt
Results, quality checks & iteration tips

Pro tips

Use short, concrete labels (“add cat on pillow”) instead of long sentences.

Point arrows at the precise pixel to edit; use contrasting label colors.

Add a negative instruction (“no text in the final image”) to keep labels out of outputs.

If Nano misses a detail, iterate: thicken arrows, enlarge labels, or isolate one change per pass.

Use cases

Product cleanups • Room staging • Object add/remove • Storyboarding • UI mockups • Ad comps • Photo retouching with exact placement

Tools mentioned

Google AI Studio – Nano Banana (image understanding & editing)

Canva (fast annotation: labels, arrows, callouts)

Copy-paste prompt (template)

“Modify the image according to the annotated text instructions in the attached image. Apply each instruction at its labeled location. Do not include any text, labels, or arrows in the final image.”




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