Seedream 4.0 is an online AI image generator and editor designed for speed and quality. Create from text or transform existing images with image-to-image, apply multiple styles, and get professional-grade visuals at 2K resolution—directly in the browser. The experience is intentionally low-friction: start with a free trial and no signup, then iterate quickly with fast processing and adjustable aspect ratios. The site provides a clear FAQ (how to use T2I/I2I, formats, downloads, usage limits, and commercial use) and standard legal pages (Terms of Service, Privacy, Cookie Policy). It’s a practical tool for creators, designers, marketers, and anyone who needs quick, high-quality visuals without a steep learning curve.