Nano Banana is an AI-based image editing platform that leverages Google's Gemini 2.5 multimodal AI for high-quality photo editing and generation. It supports various features like background removal, virtual try-on, face swapping, meme creation, and sketch-based image editing. Users can quickly produce professional and creative images with simple inputs, enhancing e-commerce photos, social media content, and entertainment materials efficiently online. This service runs fully online with no installation needed, supporting multiple image formats and styles.