Gallery Lightbox

Show your photos and videos in a clean gallery with a full-screen viewer. Choose an equal grid, masonry columns or justified rows, and the columns adapt to the space the gallery sits in. The lightbox supports arrow keys, Esc, swipe, a counter, captions and an optional Open original link, and keeps keyboard focus inside the viewer. Each photo reserves its space from its width and height, which the app finds automatically, so the page is less likely to jump while photos load, and photos load as they come into view. You can add category filter buttons, YouTube, Vimeo or video file items that load only when played, screen-reader descriptions, your own button wording, right-to-left support and reduced motion. You paste https links to photos and videos you may use; the app does not upload, host or resize files. You name the spot with an element ID or class, otherwise the gallery goes to the page bottom. No visitor data is kept and no views or clicks are counted. Settings are limited to 20 KB, about 75 typical photos with captions. There is no logo, watermark or advert.