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HEIC is a high-efficiency image format used primarily by Apple devices. It offers better compression than JPEG while maintaining higher image quality. HEIC supports advanced features like transparency, depth mapping, and live photos, making it an ideal choice for modern smartphones and digital photography.
ICO is an image file format used for storing icons in Windows operating systems. ICO files can contain multiple sizes and color depths of the same icon, allowing the system to choose the appropriate version based on the display resolution. ICO files are commonly used for website favicons and desktop application icons.