Lightshot is a free screenshot tool that allows users to capture and edit images on their computer screens. It is available for both Windows and Mac operating systems. With a simple keyboard shortcut, users can quickly take screenshots and highlight specific areas of interest. After capturing an image, Lightshot provides basic editing features, such as adding text, arrows, and shapes. Users can also save their screenshots locally or upload them to the Lightshot server for easy sharing via a link. This makes it a convenient option for anyone needing to share visual information quickly.