Simple Fancybox is a free WordPress plugin that enhances image galleries by integrating the FancyBox lightbox feature. It is compatible with both the classic editor and Gutenberg blocks, allowing seamless installation and activation without additional configuration. Users must ensure that the link to the file is set correctly to avoid opening the attachment page. The plugin utilizes jQuery to apply the FancyBox effect to thumbnails that link directly to images, providing a smooth viewing experience.

This plugin supports touch gestures and pinch-to-zoom functionalities, making it an excellent choice for both mobile and desktop users. Simple Fancybox has been tested across various browsers and devices, including Chrome, Firefox, Internet Explorer 10/11, Edge, iOS Safari, and Android tablets. Overall, it offers a user-friendly solution for enhancing image galleries on WordPress sites.