XnView is a versatile image viewer and organizer that supports a wide range of file formats, including JPEG, PNG, GIF, and TIFF. It allows users to easily browse, manage, and edit their image collections. With features like batch processing, resizing, and conversion, XnView is suitable for both casual users and professionals. In addition to viewing images, XnView offers tools for creating slideshows and simple edits, such as cropping and adjusting brightness. The software is available for multiple platforms, including Windows, macOS, and Linux, making it accessible to a broad audience.