The online IFC file viewer is a powerful tool that simplifies the process of viewing and sharing 3D building models in the construction industry. With the increasing use of building information modeling (BIM) in construction projects, the ability to easily access and view IFC (Industry Foundation Classes) files has become essential for architects, engineers, and project stakeholders. The online IFC file viewer provides a convenient solution for users to interact with 3D models, enabling them to visualize the spatial relationships and components of a building without needing to install specialized software. This accessibility is particularly useful for collaboration and communication among team members who may not have access to BIM software. Additionally, the online IFC file viewer offers the flexibility to view models on various devices, such as desktop computers, laptops, tablets, and smartphones, making it a versatile tool for professionals on the go. Its user-friendly interface allows for easy navigation through large and complex building models, providing detailed views of structural elements, systems, and spatial configurations. By utilizing JSON to return the title, keywords, description, and content of the article, we can streamline the process of accessing and utilizing important information about this innovative tool. With the online IFC file viewer, the construction industry can benefit from improved collaboration, enhanced visualization, and simplified access to 3D building models, ultimately leading to more efficient and effective project outcomes.