Are you looking for the best STP file viewer online to help you view and analyze 3D models for your engineering or CAD projects? Look no further! We've rounded up the top STP file viewers available on the web, each offering unique features and capabilities to meet your needs.

1. FreeCAD: FreeCAD is a powerful open-source 3D CAD modeler that allows you to import and view STP files with ease. It offers a user-friendly interface and a wide range of tools for 3D modeling, making it a popular choice among engineers and designers.

2. eDrawings Viewer: eDrawings Viewer is a free software from SolidWorks that enables you to view and share 3D models and 2D drawings in STP and other file formats. It provides advanced visualization and collaborative features for easy communication and collaboration with colleagues and clients.

3. Autodesk Viewer: Autodesk Viewer is a cloud-based viewer that supports a wide range of file formats, including STP. It allows you to view, annotate, and share 2D and 3D models directly in your web browser, making it convenient for project collaboration and client presentations.

4. Glovius: Glovius is a modern 3D viewer that supports STP files and other CAD formats. It offers powerful tools for analyzing and inspecting 3D models, such as measurements, sectioning, and markup, to help you understand the design and make informed decisions.

5. 3D-Tool: 3D-Tool is a user-friendly 3D visualization software that enables you to view and analyze STP files and other CAD formats. It provides various viewing modes, including 3D standard views, exploded views, and animations, to enhance your understanding of complex assemblies and parts.

Whether you're an engineer, designer, or student, these STP file viewers offer valuable tools and features to help you view and analyze 3D models effectively. From free options to advanced software, there's a solution for every need and budget. Explore these STP file viewers online and take your 3D modeling experience to the next level!