Why Use a Browser-Based STEP Viewer
STEP files are the most common format for exchanging 3D solid models between different CAD systems, but opening them still requires desktop software. ShareCAD renders STEP geometry directly in the browser.
- ✓No software installation, Render solid models in any browser, no CATIA, SolidWorks, or STEP viewer to install
- ✓Works on any device, Review 3D geometry on desktop, tablet, or mobile with consistent fidelity
- ✓Secure sharing, Share STEP models via expiring links without emailing large files
- ✓Instant viewing, STEP files load directly in the browser viewer without pre-processing
- ✓No account to view, Anyone with a link can inspect the 3D model without creating an account
Try the STEP Viewer
Upload a STEP or STP file to open it in the 3D browser viewer.
STEP / STP Viewer
Sign in or upload a STEP file to open it in the interactive 3D viewer
Open ShareCAD ViewerWhat Is a STEP File?
STEP (Standard for the Exchange of Product Data, ISO 10303) is the dominant neutral format for 3D CAD data exchange. Every major CAD application, CATIA, SolidWorks, CREO, NX, Fusion 360, Inventor , can export and import STEP. When two teams use different CAD tools, STEP is almost always the handoff format.
Using a STEP viewer online eliminates the need for any of those desktop applications when all you need to do is review or approve a model. The geometry renders in the browser exactly as designed, solid surfaces, assembly structure, and dimensional accuracy intact.
ShareCAD makes it easy to open STEP files without software. Upload a .STEP or .STP file, open it in the browser viewer, and share it with clients, fabricators, or procurement teams via a link. No CAD license required on either end.
Who Uses STEP Files, and Why Browser Viewing Helps
Mechanical engineering handoffs
STEP is the standard format for sending CAD models to manufacturers, machining shops, and fabricators. A browser viewer lets the receiving party confirm the geometry without CAD software on their end.
Client design reviews
Clients reviewing product designs don't need a CAD license to inspect a model. A STEP link opens in their browser and they can rotate and examine the geometry during a review call.
Cross-discipline teams
Project teams spanning mechanical, electrical, and structural disciplines often use different CAD tools. STEP + a browser viewer creates a common viewing platform with no software negotiation.
Procurement and quoting
Sending a STEP model to a supplier for quoting is faster when they can view the geometry immediately in their browser rather than requesting a different file format.
Open Your STEP File Now
Upload a STEP or STP file and view the 3D model in your browser. Share it securely with anyone, no CAD software required.
Store, view, and share your CAD files in one place — $19.99/month.