check-ui is a UI check and comparison tool designed to assist frontend and UI professionals in comparing and developing design drafts. Equipped with practical features such as image comparison, rulers, and color picking, it facilitates the process of inspecting and replicating UI designs.

This tool serves as a frontend UI check and comparison utility, aiding developers in scrutinizing UI design drafts effectively.

Key features include support for drag-and-drop, paste, or upload of design drafts, differentiation of image and configuration information for different domains stored locally, control over pop-ups and images via drag-and-drop, transparency, hide and lock functions, real-time display of style information, ruler guidelines, color picking, image color inversion, and direct text editing on the page.