
4K text-to-image
Generate at 1K, 2K or 4K with lifelike skin, believable materials and lighting that matches the scene. Backgrounds stay coherent, and wide or panoramic frames render without seams.
Gemini Nano Banana 2.1 image model
Nano Banana 2.1 (also written Nanobanana 2.1) is an AI image generation and editing model for realistic visuals, consistent faces, and clear text at up to 4K. Use it right in your browser with up to 14 reference images.
Free trial: 1 image now with Nano Banana 2 Lite (1K), plus 1 more after you sign up.
Start from an example

Your image will appear here
Eight starting points for portraits, products, food and illustration. Click any frame to load its prompt into the generator, then make it yours.
The model
Nano Banana 2.1 is the popular name for gemini-nano-banana-2.1, Google's latest lightweight image generation and editing model in the Gemini 3 family. It belongs to the Flash tier, so it is built for speed and low cost, yet its images hold up at full 4K resolution.
It replaces Nano Banana 2 and Nano Banana Pro as the everyday choice. The 2.1 update targets the problems people hit in real work: natural skin and material detail, closer prompt adherence, text that is spelled and laid out correctly, and characters that stay the same from one image to the next. Wide and panoramic frames at 2K and 4K no longer show tiling artifacts.
nanobanana-21.com puts Nano Banana 2.1 into a simple web studio. Write a prompt, add up to 14 reference images if you want, choose an aspect ratio and a resolution, and the image arrives in seconds. You need no API key, no code and no GPU.
Six capabilities you can use from the studio above, all from the same model.

Generate at 1K, 2K or 4K with lifelike skin, believable materials and lighting that matches the scene. Backgrounds stay coherent, and wide or panoramic frames render without seams.

Upload a photo and describe one change. Recolor a wall, remove an object or swap a sky while the rest of the picture stays exactly as it was.

Place a product into any setting while its shape, label and finish stay true to the original.

Signs, posters, menus, maps and charts come out with correct spelling and clean layout.

Combine people, outfits, props and styles from up to 14 references into one scene.

Keep one face, outfit and style across a full series of images.
Describe the subject, setting, lighting and style in plain language. Put any words that should appear in the image inside quotes.
Optional. Upload up to 14 images to edit a photo, merge several sources or keep a character consistent.
Pick a ratio and 1K, 2K or 4K, then generate. Click Edit this on the result to keep improving it step by step.
Prompt guide
Start with what the picture is about, then add setting, light and mood. "A ceramic mug on a linen tablecloth, soft window light" beats a list of adjectives.
Nano Banana 2.1 renders text well when it knows the wording. Write it in quotes and say where it goes, for example a shop sign that reads "OPEN LATE".
With several uploads, refer to them by order: "the jacket from image 2 on the model from image 1". Clear roles give cleaner fusions.
Change one thing per request and build on the last result. Small edits keep faces, products and layouts stable.
E-commerce
Turn one product photo into lifestyle scenes, clean white-background packshots and seasonal banners, with enough resolution for zoom.

Social
Make 9:16 stories, 4:5 feed posts and thumbnails with legible headlines, and keep a recurring character recognizable across a series.

Marketing
Produce campaign variants in every format from 8:1 banners to 21:9 key visuals, and localize posters without retyping the artwork.

Design
Build mood boards from many references, sketch interiors and explain ideas with infographics, maps and labeled diagrams.

Buy a credit pack once or subscribe monthly. Credits are spent only on successful images, and failed generations are refunded automatically.
1K image = 25 credits · 2K = 35 · 4K = 75, +2 per reference image
Starter Pack
Try it out, pay once
Standard Pack
For regular projects, pay once
Pro Pack
Lowest price per credit, pay once
Answers about the model, credits and how this site works.
Sign up, collect your free credits and create a 4K image in seconds.