Key takeaways

  • It is free with a Google account in the Gemini app. Daily limits apply and Google can change them.
  • You edit by describing the change in plain words. No design skills are needed.
  • Change one thing per prompt and tell it what to keep, so faces and details stay stable.
  • The chat remembers earlier edits, so you can refine an image step by step.

What is Nano Banana?

Nano Banana is the nickname for Google's Gemini image model (Gemini 2.5 Flash Image). It creates and edits images from text prompts inside the Gemini app. Instead of masks, layers and sliders, you upload a photo and tell it what to change.

It is known for three things:

  • Appearance changes: new clothes, hairstyle, accessories or style while keeping the person recognizable.
  • Background replacement: move the same subject into a different place or scene.
  • Multi-turn editing: the chat remembers the image, so each new instruction builds on the last result.

How to use Nano Banana for free (5 steps)

  1. Open Gemini. Go to gemini.google.com or open the Gemini app on your phone.
  2. Sign in with a Google account. A free account is enough.
  3. Upload your photo. Click the plus (+) button in the prompt box and choose your image. A clear, well-lit photo gives the best result.
  4. Write a specific prompt. Say what to change and what to keep. See the examples below.
  5. Refine in the same chat. Ask for small follow-up changes, then download your favorite version.

If you cannot see image generation, check that you are signed in and that the feature is available in your country. Google rolls features out in stages.

3 live demos with copy-paste prompts

Demo 1: Professional headshot makeover

Turn a casual photo into a clean headshot for LinkedIn or a CV.

Edit this photo into a professional LinkedIn headshot. Keep my face, hairstyle and expression exactly the same. Dress me in a dark navy blazer and a white shirt. Use a softly blurred modern office background and soft studio lighting.

Demo 2: Background replacement

Keep the person and change only the place.

Keep the person exactly as they are, including face, pose and clothes. Replace the background with a cozy coffee shop with warm lighting and a softly blurred bookshelf behind.

Demo 3: Multi-turn editing

Send these one at a time in the same chat. Each builds on the previous result.

Add thin round glasses. Keep everything else unchanged.
Now change the hair color to dark brown. Keep the face, glasses and background the same.

This is the biggest advantage over one-shot generators: you do not start over after every change.

8 more prompt ideas

  • Restore an old photo: "Restore this old photo. Remove scratches and fading, keep the faces natural."
  • Remove an object: "Remove the person in the background and fill the area naturally."
  • Colorize black and white: "Colorize this photo with realistic, natural colors."
  • YouTube thumbnail: "Make this a bold YouTube thumbnail with a bright background and room for text on the right."
  • Product photo: "Place this product on a clean white studio background with a soft shadow."
  • Outfit change: "Change my outfit to a casual black hoodie. Keep my face and pose."
  • Sketch to render: "Turn this sketch into a realistic, detailed image."
  • Figurine style: "Turn this photo into a 3D collectible figurine on a desk."

Want more? See our full list of Nano Banana AI prompts.

Nano Banana vs Nano Banana Pro

Google also offers a higher-quality model called Nano Banana Pro. Limits and model names change often, so check the model picker in the Gemini app for what you can use today.

Nano BananaNano Banana Pro
ModelGemini 2.5 Flash ImageNewer, higher-quality Gemini image model
SpeedFasterSlower
Best forQuick everyday edits, social postsReadable text in images, fine detail, higher quality
Free accessYes, with daily limitsLimited free use, more with paid plans

Limitations and pro tips

Known limitations

  • Faces can drift on big edits, so the result may look slightly different from you.
  • Large changes can take several attempts.
  • Small text and hands are sometimes wrong.
  • Free accounts have daily limits.

Tips for better results

  • Be specific. "Navy blazer, white shirt, soft light" beats "make me look professional".
  • Say what to keep. Add "keep my face and pose exactly the same".
  • One change per prompt. Stack edits across messages instead of one long request.
  • Start with a good original. Sharp, front-facing, well-lit photos work best.
  • Save good versions. Download results you like before trying riskier edits.

What you can use it for

  • YouTube thumbnails and channel art
  • Instagram and TikTok content
  • Profile photos and headshots
  • Product mockups and simple ads
  • Study materials, diagrams and presentations

Looking for more free Google AI tools? Try Google Mixboard for design boards and Pomelli for marketing campaigns.

Video tutorial

Prefer to watch? Follow along on our YouTube channel.

Nano Banana FAQ

Is Nano Banana really free?

Yes. Nano Banana is available in the Gemini app for free with a Google account. Google sets a daily limit on free image generations and edits, and the limit can change, so check the Gemini app if you hit a cap. Paid Google AI plans raise the limits.

What is Nano Banana?

Nano Banana is the nickname for Google's Gemini image model (Gemini 2.5 Flash Image). It generates and edits images from text prompts inside the Gemini app. You upload a photo, describe the change you want, and it returns the edited image.

How do I use Nano Banana for free?

Go to gemini.google.com, sign in with a Google account, upload a photo with the plus button, and type what you want to change. Gemini returns the edited image in seconds. You can then keep chatting to adjust it.

What is the difference between Nano Banana and Nano Banana Pro?

Nano Banana Pro is the higher-quality version built on a newer Gemini model. It is better at readable text inside images and fine detail, but it is slower and free usage is more limited. The standard Nano Banana is faster and fine for everyday edits.

Can I use Nano Banana images commercially?

Google's terms decide this, and they can change. In general you can use images you create, but you stay responsible for the content, you need the right to use any photo you upload, and you should not use other people's faces or brands without permission. Read Google's current terms before using images in paid work.

Why does Nano Banana change my face?

Big edits can make the model redraw facial details. Add an instruction like "keep my face, hairstyle and expression exactly the same", change one thing per prompt, and start from a clear, front-facing, well-lit photo.

Is Nano Banana better than Photoshop?

They do different jobs. Nano Banana is faster for quick creative edits described in plain words, with no skills needed. Photoshop gives exact, pixel-level control and is still better for precise professional work.

Does Nano Banana add a watermark?

Google marks images made with its AI tools with an invisible SynthID watermark, and some images also show a visible mark. This helps people identify AI-generated or AI-edited images.

Is it safe to upload my photos?

Treat uploads like any cloud AI tool. Avoid private or sensitive photos, review your Gemini activity and privacy settings in your Google account, and read Google's privacy policy to see how your data is used.

Keep learning

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About the author: Learnan Light publishes free step-by-step tutorials on AI tools, Flutter and web development. Last reviewed October 8, 2026. Features and limits of Google products change often, so check the Gemini app for the latest.