Are you looking for a way to view CAD files online without the need for expensive software? Whether you're a professional engineer, architect, or designer, or simply someone who needs to view a CAD file, there are plenty of free online tools that can help you out. In this article, we'll explore the top 5 free CAD viewer online tools for 2022.

1. AutoCAD web app: AutoCAD, the leading CAD software, offers a web-based viewer that allows you to view and collaborate on CAD files from any device with a web browser. With features like layer management, measuring tools, and markup capabilities, the AutoCAD web app is a powerful tool for viewing CAD files online.

2. A360 Viewer: A360 Viewer is a free online tool from Autodesk that allows you to view 2D and 3D CAD files in your web browser. You can easily share files with others and view them without the need for any special software. A360 Viewer also supports a wide range of file formats, making it a versatile option for viewing CAD files online.

3. eDrawings Viewer: eDrawings is a free CAD viewer from SolidWorks that allows you to view and collaborate on CAD files in a simple and intuitive interface. With support for 2D and 3D files, as well as features like measuring tools and markup capabilities, eDrawings Viewer is a great option for viewing CAD files online.

4. DWG FastView: DWG FastView is a free CAD viewer that allows you to view, annotate, and share CAD files online. With support for both 2D and 3D files, as well as features like layer management and measurement tools, DWG FastView is a powerful and easy-to-use tool for viewing CAD files online.

5. OnShape: OnShape is a cloud-based CAD platform that offers a free plan for viewing and collaborating on CAD files. With features like version control, real-time collaboration, and powerful 3D modeling tools, OnShape is a great option for professionals who need to view CAD files online.

These free CAD viewer online tools make it easy to view and collaborate on CAD files without the need for expensive software. Whether you're a professional designer or simply someone who needs to view a CAD file, these tools have you covered. Try them out and discover the power of free CAD viewing online in 2022!