The file will be saved to the same folder you use as Firefox's default download location. Download screenshots as image files: To download the area as an image (.png) file, click the down arrow icon.Capture the visible part of a page: Select Save visible to save the area of the web page currently visible.Capture a full page: Select Save full page from the menu in the upper right.You can change the size and area to be captured using the marker points on the edge of the area. Select a region of the page: Drag or click on the page to select a custom region of the page that you wish to capture.Capture parts of a page: When you move the mouse cursor over the page, different parts of the page will be automatically highlighted.There are several options for capturing screenshots: 5 What data does Firefox Screenshots collect?.4 Why doesn't Firefox Screenshots work on certain pages?.3 How do I disable Firefox Screenshots?.1 What types of screenshots can I capture?.