An open-source image lossless enlargement tool that leverages artificial intelligence technology to automatically enlarge low-quality images by 4 times their original resolution. Developed as a project for TheFullstack hackathon using the Next.js framework and Replicate API, it boasts numerous advantages including open-source, free-to-use, and user-friendly design. Key features include one-click lossless image enlargement, drag-and-drop upload support, compatibility with various image formats, and generation of high-definition large images. Suitable for a wide range of scenarios requiring image resolution improvement, such as enlarging old photos, enhancing product images for online stores, and magnifying blurry ID photos. The project's code is open-source, allowing for free use and further development.