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Open IFC Viewer
What Open IFC Viewer is
Open IFC Viewer is a free desktop viewer for IFC files from Open Design Alliance, available for Windows, macOS, and Linux. It processes files locally without a cloud dependency. Listed support includes IFC 2x3, IFC 4x0, IFC 4x2 Bridge, and IFC 4x3 Rail specifications. For review, it offers 3D navigation, object selection and property inspection, hiding or isolating objects, section planes, and distance and angle measurements. Collision tools detect clashes between model objects, with selected or all results savable in BCF format. Model Validation checks models against IDS and other stated SDAI or IFC requirements; results can be filtered and saved as text or HTML. Open files can be exported to PDF, HDF5, and ifcXML, and IFC models can be published to 3D PDF. A BCF Manager handles BCF 2.1 and 3.0 files. The embedded IFC MCP Server lets a connected AI agent work with the open model and listens on a configurable port, set to 3000 by default. The guide notes that spaces are not imported by default, two plugins are experimental, and schedule timelines require schedule data in the model.
Who it suits
It suits people who need to view and inspect IFC models on a Windows, macOS, or Linux desktop. Its validation, measurement, collision, and export tools also suit model review workflows.
What it does well
- Works locally without a cloud dependency.
- Supports Windows, macOS, and Linux.
- Model validation results can be filtered and saved.
- Collision results can be saved in BCF format.
What to know first
- Spaces are not imported by default.
- Element Placement and IDS Manager plugins are experimental.
- Schedule timelines require schedule data in the model.
Limits
Spaces are not imported by default. Element Placement and IDS Manager plugins are experimental, and schedule timelines require schedule data in the model.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Open IFC Viewer | No license fees · IFC viewer | Free |
As openifcviewer.com lists them, read 4 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the Open IFC Viewer website.
- Choose the download for Windows x64, macOS 64-bit, macOS arm64, or Linux.
- Install and open the viewer on your platform.
- Open an IFC model to navigate, inspect, validate, or measure it.
Verdict
Open IFC Viewer provides local IFC viewing alongside validation, measurement, collision detection, and several export options. Note the documented import and plugin limits, and that schedule timelines depend on data in the model.
Questions
How much does Open IFC Viewer cost?
It is free, with a listed price of $0 and no license fees.
Which platforms does it support?
It supports Windows, macOS, and Linux. Downloads are listed for Windows x64, macOS 64-bit, macOS arm64, and Linux.
Which IFC specifications does it support?
The listed specifications are IFC 2x3, IFC 4x0, IFC 4x2 Bridge, and IFC 4x3 Rail.
Can it measure models and save annotations?
Yes. It includes distance and angle measurement tools, and annotations or markup are listed as supported.
Can it work with BCF files?
Yes. Its BCF Manager supports BCF 2.1 and 3.0 files, and collision results can be saved in BCF format.
Who makes Open IFC Viewer?
It is made by Open Design Alliance, which says it has created CAD and BIM SDKs since 1998.
Facts from Open IFC Viewer's own pages
- Clash detection
- Collision tools detect clashes between model objects, and selected or all detected collisions can be saved in BCF format. · openifcviewer.com, 4 Oct 2026
- Download platforms
- The download section lists Windows x64, macOS 64-bit, macOS arm64, and Linux. · openifcviewer.com, 4 Oct 2026
- Exports
- The guide says an open file can be exported to PDF, HDF5, and ifcXML, and the product page describes publishing IFC models to 3D PDF. · openifcviewer.com, 4 Oct 2026
- Founded
- 1998 · openifcviewer.com, 28 Sept 2026
- Headquarters
- Scottsdale, Arizona, United States · openifcviewer.com, 28 Sept 2026
- IFC support
- The product page lists IFC 2x3, 4x0, 4x2 Bridge specification, and 4x3 Rail specification. · openifcviewer.com, 4 Oct 2026
- Integrations
- The viewer includes a BCF Manager for BCF 2.1 and 3.0 files and an embedded IFC MCP Server that lets a connected AI agent work with the open model. · openifcviewer.com, 4 Oct 2026
- Local processing
- The product page says the viewer works 100% locally with no cloud dependency. · openifcviewer.com, 4 Oct 2026
- Maker
- The product is by Open Design Alliance, which says it has created CAD and BIM SDKs since 1998. · openifcviewer.com, 4 Oct 2026
- MCP connection detail
- The embedded MCP server listens on a configurable port, set to 3000 by default, and the guide gives a local HTTP connection example. · openifcviewer.com, 4 Oct 2026
- Measurement
- The viewer measures distances between arbitrary geometry points or points snapped to model vertices, and includes angle measurement tools. · openifcviewer.com, 4 Oct 2026
- Model performance
- The viewer is optimized for large models, and the product page says it can load and review large IFC files in seconds. · openifcviewer.com, 4 Oct 2026
- Notable limits
- The guide says spaces are not imported by default, the Element Placement and IDS Manager plugins are experimental, and schedule timelines require schedule data in the model. · openifcviewer.com, 4 Oct 2026
- Purpose
- Open IFC Viewer is a professional-grade viewer for IFC files developed by Open Design Alliance. · openifcviewer.com, 4 Oct 2026
- Validation
- Model Validation checks IFC models against IDS and other stated SDAI or IFC requirements, and results can be filtered and saved as text or HTML. · openifcviewer.com, 4 Oct 2026
- Viewing and inspection
- The viewer supports 3D navigation, object selection and property inspection, hiding or isolating objects, and section planes. · openifcviewer.com, 4 Oct 2026
Where Open IFC Viewer stands on Freedom251
- 3D Model Viewer Software#19 of 29