FocaUpscaler (focaupscaler.com) is a 2026 physics-aware AI image upscaler & enhancer focused on authentic, high-fidelity detail restoration without artificial artifacts. Dual modes: Foca Sharp (fast, clean for graphics/logos) and Foca Physics (deep reconstruction simulating real-world textures for skin, hair, fabrics). Supports full 4K output, batch processing, library save. Ideal for portraits, 3D renders, architecture, products—preserves natural structure while sharpening. Free trial + affordable credit-based plans with no expiration.