View in the browser
Open SLDPRT / SLDASM online to rotate, zoom and inspect.
Guide中文
How to Open a SolidWorks File Without SolidWorks
SLDPRT and SLDASM are SolidWorks part and assembly files. You do not need a full SolidWorks license just to look at them — an online viewer can open them for inspection, and conversion makes them portable.
发布时间 2026/06/10最近更新 2026/06/10
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Convert to neutral formats
Turn SolidWorks files into STEP for broad CAD interchange.
Convert for the web
Export to glTF, OBJ or STL for display, exchange or printing.
What SLDPRT and SLDASM are
SLDPRT is a single SolidWorks part; SLDASM is an assembly that references multiple parts.
Both are native SolidWorks formats, which is why they normally require SolidWorks — but viewing and conversion tools can read them.
Viewing vs. converting
If you only need to confirm the model, an online viewer is fastest.
If you need to send it onward or use it in another tool, convert to STEP (for CAD) or glTF/OBJ/STL (for web, exchange or print).
FAQ
Can I open SLDPRT without SolidWorks?
Yes. You can view SLDPRT and SLDASM files in the browser or convert them to neutral formats.
Will I keep the assembly structure?
Viewing preserves the assembly tree; converting to STEP also retains structure.
What format should I convert to?
STEP for CAD interchange, glTF for web display, STL for 3D printing.