Are you in need of a reliable STP file editor for your CAD design and 3D modeling projects? Look no further! We've compiled a list of the best online STP file editors to help you bring your designs to life with ease.

1. FreeCAD: This open-source parametric 3D CAD modeler is perfect for creating and editing STP files. Its user-friendly interface and powerful features make it a top choice for both beginners and experienced designers.

2. Onshape: With its cloud-based platform, Onshape allows you to access and edit your STP files from anywhere with an internet connection. Its collaboration tools and version control make it a great option for team projects.

3. Tinkercad: If you're new to 3D modeling, Tinkercad is the perfect place to start. With its simple drag-and-drop interface, you can easily edit STP files and bring your ideas to life in no time.

4. SketchUp Free: This web-based 3D modeling software is known for its intuitive tools and vast library of extensions. With its support for STP files, you can easily edit and enhance your designs with realistic details.

5. AutoCAD 360: As a leading name in CAD design, AutoCAD offers a web-based platform for editing STP files on the go. Its precision drafting tools and mobile accessibility make it a popular choice for professionals.

Whether you're a hobbyist or a professional designer, these online STP file editors have got you covered. Say goodbye to cumbersome desktop software and hello to the convenience of cloud-based editing. Try out these tools and take your CAD design and 3D modeling to the next level!