Autodesk Viewer alternative for IFC files

Autodesk Viewer is the most familiar online viewer for AEC files, but it has two sticking points for IFC users: it requires an Autodesk account, and every file you open is uploaded to Autodesk's servers. If either blocks your workflow, IFC Navigator is the free alternative.

Side-by-side

• Account required. Autodesk Viewer: yes (free Autodesk ID). IFC Navigator: no.
• Upload required. Autodesk Viewer: yes — files go to Autodesk Construction Cloud. IFC Navigator: no — files are parsed in your browser, never uploaded.
• Install required. Both: no — both run in the browser.
• IFC versions. Autodesk Viewer: IFC2x3, IFC4 (most variants). IFC Navigator: IFC2x3, IFC4, IFC4x3.
• Property inspection. Both support clicking elements to view properties; IFC Navigator shows IFC Pset_* groups directly in the side panel.
• Other formats. Autodesk Viewer: 50+ formats (RVT, DWG, DGN, NWD, etc.). IFC Navigator: IFC only — focused tool, smaller footprint.
• Cost. Both: free.

When to use Autodesk Viewer

If you need to open Revit (.rvt), Navisworks (.nwd), AutoCAD (.dwg), or other Autodesk formats alongside IFC, Autodesk Viewer is the right tool — it handles all of them in one place.

When to use IFC Navigator

• You only need IFC viewing, not a multi-format suite.
• You cannot or will not create an Autodesk account (corporate policy, personal choice, or you simply do not want yet another login).
• The IFC file is confidential — proprietary project data, NDA-bound, or client-restricted — and you do not want it uploaded to a third-party server.
• You need IFC4x3 (infrastructure projects).
• You are on a non-Autodesk-friendly device (Linux, Chromebook).

Privacy difference, in one sentence

With Autodesk Viewer, your IFC file is on Autodesk's servers. With IFC Navigator, your IFC file is on your device.