Open DWG without AutoCAD
Open a DWG file without a desktop CAD license.
Caddis is a review tool for people who need to inspect a DWG, not author one. Open drawings locally in your browser, check layers and dimensions, and leave feedback while preserving the source file.
No account required for local viewing. Files stay on your device unless you opt into Cloud.Can I open a DWG file without AutoCAD?
Yes. A dedicated DWG viewer such as Caddis can open and review a drawing without a full CAD authoring application. Always verify critical dimensions against the authoritative source.
How to get started
- Open the Caddis web viewer.
- Choose the DWG file from your device.
- Inspect the drawing and use measurement or markup tools as needed.
Built for practical review
- No desktop CAD license needed
- Local viewing without a mandatory upload
- Layer controls, measurement, and markup
- Source-safe review workflow
Your drawings stay under your control
Caddis is local-first: opening a supported file for local review does not require uploading it. If you choose Caddis Cloud, you can continue a project across devices or create a revocable, read-only link.
Frequently asked questions
Do I need an account to use Caddis?
No. You can open and review supported files locally without creating an account. An account is only needed for optional cloud features.
Are my CAD files uploaded?
Not for local viewing. Caddis processes supported files on your device. Cloud storage and share links are opt-in per project.
Can I use Caddis offline?
Local review is designed to work on your device. Cloud sync and share links naturally require an internet connection.
Which CAD formats can Caddis open?
Caddis supports DWG, DXF, STEP, STP, STL, OBJ, PLY, and IFC files in the web viewer.
Explore Caddis tools
DWG viewerDXF viewerSTEP viewerSTL viewerOpen DWG without AutoCAD