FBX2glTF is a command-line tool that converts Autodesk FBX 3D assets to glTF 2.0. It can produce a glTF representation or a single binary .glb file, and can embed buffers as data URIs. Precompiled binaries are provided for Windows, Mac OS X and Linux. The npm package exposes a Promise-based Node API and includes platform binaries. FBX animations are baked into the output, and blend shapes are supported; complex rigs can produce large files. Material conversion includes metallic-roughness PBR support for Stingray PBS, as well as automatic transfer of emissive constants and textures, occlusion maps and normal maps. Optional Draco compression can reduce mesh size, but a viewer must support KHR_draco_geometry_compression. The project is free under a 3-clause BSD license. Its build system supports FBX SDK version 2019.2 only. The initial v0.9.0 release was marked beta because it had not been exposed to a wide variety of FBX variations. The project encourages users to report unexpected behavior or crashes through GitHub issues.
Who it is for
FBX2glTF suits developers and 3D workflows that need a command-line FBX-to-glTF converter, including users of its Node API. Its stated build support is limited to FBX SDK 2019.2.
What is good
- Precompiled binaries for Windows, Mac OS X and Linux.
- Can output glTF or binary .glb.
- Supports baked animation and blend shapes.
- Transfers emissive, occlusion and normal map data.
- Free under a 3-clause BSD license.
What to know first
- Build system supports FBX SDK 2019.2 only.
- Baked animation can create very large files.
- Draco output requires compatible viewer support.
- Initial v0.9.0 release was marked beta.
Verdict
FBX2glTF offers multiple output forms, animation conversion and material handling in a free command-line package. Check the SDK restriction and potential animation file size against your workflow.
FBX2glTF plans and pricing
All plansCompared on 3D file converter software
- Free plan
- Yes
- Format scope
- mixed
- Animation conversion
- Yes
- API access
- Yes
- Supported platforms
- Windows, macOS, Linux

