An Image Viewer is a software application designed to display digital images. It allows users to open, view, and navigate through various image formats, such as JPEG, PNG, and GIF. Many image viewers also offer basic editing features, like cropping and rotating, making it easy to enhance images without needing complex software. These applications are commonly used on computers, tablets, and smartphones, providing a user-friendly interface for managing photo collections. Some popular image viewers include Windows Photo Viewer, IrfanView, and XnView. They often support features like slideshow presentations and image organization, helping users efficiently manage their visual content.