GeometryViewer - 3D&AR Viewer

GeometryViewer is a free 3D and AR model viewer. Open STL, OBJ, GLTF, GLB, and 3MF files directly from your device — no account, no upload required.

Drop any 3D file to view it instantly in 3D. Then place it in your real environment using augmented reality with WebXR.

Features:

• Opens STL, OBJ, GLTF, GLB, and 3MF files

• Augmented reality — place models on real surfaces

• No file size limits

• No account or sign-up

• Works completely offline after first load

• Free, forever

Used by engineers, 3D printing enthusiasts, designers, and educators worldwide.