Are you in need of a reliable STP file viewer online to view your 3D models with ease? Look no further! We've compiled a list of the top 5 free tools that offer seamless STP file viewing capabilities. Whether you're a CAD designer, engineer, or simply someone who wants to open and explore STP files, these online viewers are perfect for you.

1. FreeCAD:

FreeCAD is an open-source parametric 3D CAD modeler that allows you to view, modify, and analyze STP files online. It offers a user-friendly interface and a wide range of features for 3D modeling, making it a great choice for both professionals and hobbyists.

2. Autodesk Viewer:

Autodesk Viewer is a web-based tool that enables you to upload and view STP files directly in your browser. With its intuitive interface and powerful viewing capabilities, this tool is ideal for sharing and collaborating on 3D models with teammates and clients.

3. A360 Viewer:

A360 Viewer, also developed by Autodesk, is another excellent option for viewing STP files online. It supports various 3D file formats, including STP, and allows you to visualize and interact with your models in real-time. Additionally, you can take measurements, add annotations, and create shareable links for easy collaboration.

4. Online 3D Viewer:

Online 3D Viewer is a simple yet effective tool for viewing STP files in your web browser. It supports multiple 3D file formats and provides basic viewing features such as zooming, panning, and rotating your models. It's perfect for quick and hassle-free STP file viewing on the go.

5. 3D STP Viewer:

3D STP Viewer is a lightweight online tool that lets you open and examine STP files effortlessly. It offers a clean and intuitive interface, allowing you to inspect your 3D models from various angles and make quick adjustments if needed.

In conclusion, these top 5 free STP file viewer online tools offer a convenient way to view, analyze, and share your 3D models without the need for expensive software. Whether you're working on CAD designs, engineering projects, or simply want to explore 3D models, these online viewers have got you covered. Give them a try and take your STP file viewing experience to the next level!