PhotoShow is a subscription-based Firefox add-on designed to enhance image browsing and downloading from various websites. With its intuitive hover functionality, users can easily view high-definition images by simply hovering over thumbnail images on over 300 popular sites, including social media and e-commerce platforms. This tool supports a wide variety of hotkeys, allowing for quick navigation and manipulation of images, such as flipping, rotating, and saving images directly to your device.

In addition to its user-friendly interface, PhotoShow features customizable settings that enable users to toggle the add-on on or off for specific websites. It also allows for adjustments in the viewer size and the use of modifier keys to trigger image previews. With its focus on enhancing the image browsing experience, PhotoShow provides a valuable solution for users looking to manage and download high-definition images seamlessly.