vs Onshape
Open STEP Without Onshape — Free Browser Viewer
Review STEP and IGES locally when you do not need a cloud CAD workspace.
Onshape is a full cloud CAD platform. If you only need to open a STEP attachment and check dimensions, CADDaddy loads the file locally in your browser with no cloud document setup.
- No cloud document or team setup for one file
- Files processed locally in the browser
- Faster path from email attachment to 3D view
- Export STL/GLB without a CAD subscription
Comparison
| Feature | Onshape | CADDaddy |
|---|---|---|
| Product type | Cloud CAD platform | File viewer |
| STEP viewing | Import to cloud doc | Drop file locally |
| Offline / local | Requires connection | Local WASM parsing |
| Pricing | Free tier + paid plans | Free view; $19 lifetime Pro |
FAQ
Is CADDaddy like Onshape?
No — CADDaddy is a viewer and review tool, not a modeller. Use it when Onshape is more setup than you need for opening one supplier file.
Try CADDaddy free
Drop a STEP file on the homepage or open the viewer — no install.
Drop a file on homepage