UnderlayX AI

UnderlayX AI is a free online AI‑powered image editor that lets users instantly remove backgrounds, replace them with colors, gradients or images, add text or shapes behind subjects, blend smart overlays, clone and multiply objects, and fine‑tune foreground/background separately. All processing runs locally in the browser, supports major image formats, works on any device, and requires only a Google sign‑in. Ideal for creators, marketers, and social media content.