Web-Thread Lightbox is a newly introduced vanilla JavaScript library designed to facilitate the addition of image galleries to websites without relying on any external dependencies. This zero-dependency approach ensures ease of integration and lightweight performance. The library boasts a responsive design, adapting seamlessly to various screen sizes and devices. It supports multiple interaction methods, including touch and mouse inputs, enhancing usability across platforms. Additionally, Web-Thread Lightbox incorporates keyboard navigation and swipe gestures, making it accessible and user-friendly. These features collectively position the library as a versatile tool for developers seeking to implement image galleries efficiently. Its focus on simplicity and broad interaction support addresses common needs in modern web design.