DWG Viewer

Try the TotalViewer DWG viewer without installing CAD software. The browser converts supported DWG objects to DXF for a read-only preview. Some versions, fonts, external references and 3D objects may be missing; verify the result in the original CAD application.

Viewers by extension

DWG Viewer

How to open a file

Choose a supported file in the TotalViewer workspace.
Inspect pages, layers, sheets or 3D geometry with zoom and navigation.
Check conversion warnings and compare the preview with the original application.

Supported scope and limits

Experimental 2D preview: source DWG 16 MiB, output DXF 32 MiB, 300,000 DXF objects, 256 MiB conversion memory and 60 seconds. Not all DWG versions, fonts, external references or 3D solids are supported. Export a DXF copy from the original CAD tool if conversion fails.

Detailed compatibility guide (Korean)

Free basic viewing

Open up to three files per day in the same browser without signing in. The count resets at midnight Korea time. Files are processed on your device. File, geometry and memory limits apply to both Free and Pro.

Pro advanced tools

Advanced tools such as search, personal review, measurement and comparison depend on the file format and require Pro. Pro removes the daily file-open limit. Payment does not guarantee file compatibility or accuracy.

File guides are available in your selected language. Workspace controls are currently in Korean.