Help center
CAD Viewer FAQ
Practical guides for Thingraph CAD Viewer and DWG Viewer — free browser-based apps that open 2D CAD (DWG, DXF) and 3D models from Google Drive™ without desktop software. Files render in your browser using WebGL; nothing is uploaded to our servers.
View DWG & open from Google Drive™
- How to view DWG files online without AutoCAD Free browser DWG viewer — upload locally or open from Google Drive, no AutoCAD license required.
- How to open a DWG file in Google Drive™ Install the app, use Open with, sign in with Google, and view DWG drawings in the browser. Includes a YouTube video walkthrough.
Installation & troubleshooting
- How to install CAD Viewer from Google Workspace Marketplace Install DWG Viewer, CAD Viewer, or CAD Editor and enable Open with in Google Drive.
- CAD Viewer not showing in Google Drive「Open with」menu Fix missing apps: install, authorization, file type, Workspace admin, and browser issues.
Windows desktop apps
- DWG Preview for Windows Desktop DWG/DXF viewer for Windows — download installer and watch the YouTube demo.
- CAD Preview for Windows Desktop 2D + 3D CAD viewer for Windows — formats, download, and video walkthrough.
Products, formats & privacy
- CAD Viewer vs DWG Viewer vs CAD Editor — which to use? Compare supported formats and features across all three Google Drive apps.
- What file formats does CAD Viewer support? DWG, DXF, glTF, GLB, OBJ, FBX, STL, IFC, STP, STEP, IGS, IGES — and which app opens each. Includes a CAD Viewer YouTube video walkthrough.
- Is CAD Viewer safe? Are files uploaded to your servers? Client-side rendering, Google OAuth scopes, and what data leaves your browser.