Nano Banana is an online text-to-image and image-editing platform that turns descriptions or reference photos into high-resolution visuals in seconds. Users can generate multiple variations, add readable text directly into images, remove or replace objects, and maintain consistent characters across many images. It supports 1K–4K outputs, multiple aspect ratios, and provides tools aimed at marketers, creators, and product photographers to rapidly produce commercial-grade visuals without specialized design software.