See it in action
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Open STEP Viewer lets you instantly visualize and validate STEP models.
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Powered by the ODA STEP SDK, used by developers worldwide

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Conversion
Import
- DWG
- AP203
- AP214
- AP242
Step
Export
- DWG
- OBJ
- STL
- 2D, 3D PDF
- AP203
- AP214
- AP242
Integration
All ODA Products
Supported STEP versions
- AP203
- AP214
- AP242ed4
- Domain Model ed.4 - StepX
Roadmap
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Dec 2022
Production
- PMI data visualization
Beta
- STEP advanced_brep to ODA Solid Modeler bodies conversion
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Dec 2023
Production
- Compressed STEP files support
Beta
- DWG to STEP
- STEP to DWG
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July 2024
Production
- DWG to STEP
- STEP to DWG
- StepX Assembly with JT Insertions
Beta
- Early-Bound access using generated classes for established schemas
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June 2025
- Access to PMI GD_T symbols information using CDA
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July 2025
- Faces and Edges associativity with Visualize Geometry
More ODA toolkits for STEP
STEP SDK | Visualize SDK | Publish SDK | CDE SDK | |
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Role in STEP Workflow | Core SDK for reading, writing, editing, and validating STEP data based on ISO 10303 standards. | Renders STEP geometry in high-performance environments across desktop, mobile, and web. | Converts STEP models to interactive 3D PDFs for easy sharing without needing native CAD tools. | Web-enable your STEP workflows with cloud-based data management and real-time access to STEP files. |
Key Benefits | Full support for AP203, AP214, AP242, etc.; EXPRESS schema handling; SDAI API; wrappers for C#/C++. | Real-time 3D rendering, support for PMI, materials, and styles. | Customizable PDF templates, 2D/3D content export, annotations. | In-browser viewing, role-based access, version control, integration with BIM/PLM systems. |
Typical Use Cases | CAD/PLM data exchange, STEP validation tools, schema-based data manipulation, automated conversion. | Web-based or native 3D viewers, review tools for STEP assemblies, visual inspection apps. | Product manufacturing documentation, client presentations, digital delivery of STEP designs. | Cloud collaboration platforms, web portals for manufacturing/ engineering teams, CDE-based STEP viewers. |
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