Resolution

Resolution determines how much detail an image contains and how large it can be displayed or printed before quality degrades. Higher resolution images contain more pixels and therefore capture finer detail. A 12-megapixel image (4000×3000) records four times as much detail as a 3-megapixel image (2048×1536). For screen display, resolution determines how crisp the image appears at a given display size. For print, resolution determines the maximum print size at a given quality level — typically 300 pixels per inch for high-quality output.\n\nProfessional photographers and agencies have specific resolution requirements for different deliverables. A billboard requires ultra-high resolution images (100+ megapixels or more), while a website hero image needs only 1920×1080 pixels. Understanding resolution requirements prevents both undershooting (producing images too small for the intended use) and overshooting (producing unnecessarily large files that slow down websites and fill up storage).\n\nResolution is often confused with image quality, but they are distinct concepts. A high-resolution image can still look poor if it is blurry, noisy, or poorly exposed. Conversely, a lower-resolution image that is sharp, well-lit, and properly exposed looks better at its intended size than a larger but technically flawed image. Resolution sets the ceiling for detail; capture quality determines how much of that ceiling is actually reached.\n\nMagic Eraser's AI Enhance can increase image resolution through super-resolution upscaling. The AI generates genuine detail at the higher resolution rather than simply stretching existing pixels. This is useful for old photos shot at low resolution, smartphone images that need to be printed large, and web images that need to be repurposed for higher-resolution applications. The AI upscaling maintains sharp text, preserves facial features accurately, and generates realistic texture detail across different content types, ensuring that the increased resolution translates into genuinely sharper output rather than a larger but equally soft image.