FBX2glTF
FBX2glTF is a command-line converter for Autodesk FBX 3D assets that produces glTF 2.0.
What FBX2glTF is
FBX2glTF is a command-line converter for Autodesk FBX 3D assets that produces glTF 2.0. It can write 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; its npm package also exposes a Promise-based Node API with platform binaries. FBX animations are baked into the output, and blend shapes are supported, but complex rigs can result in large files. Material conversion includes metallic-roughness PBR support for Stingray PBS, plus automatic transfer of emissive values and textures, occlusion maps, and normal maps. Optional Draco compression can reduce mesh size, provided the viewer supports KHR_draco_geometry_compression. The project is free under a 3-clause BSD license. Its build system supports FBX SDK 2019.2 only. The initial v0.9.0 release was labeled beta because the tool had not been exposed to a broad range of FBX variations.
Good
- Outputs glTF or binary .glb files.
- Supports blend shapes and baked animation.
- Transfers emissive, occlusion, and normal map data.
- Provides a Promise-based Node API.
- Precompiled binaries are available for three platforms.
Watch out
- Baked animation can produce very large files.
- Draco compression requires compatible viewer support.
- The build system supports FBX SDK 2019.2 only.
- The initial release was marked beta.
Who it suits
It suits users who need a command-line route from FBX assets to glTF 2.0 or .glb, including workflows using the Node API. Users with complex animated rigs should account for potentially large baked-animation files.
Verdict
FBX2glTF covers conversion, animation, and several material details, with both CLI and Node API options. Its SDK build constraint and potentially large animation output are important considerations.
Plans and prices
From FBX2glTF's own pricing page, checked 1 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Open source | Free | 3-clause BSD license · FBX SDK 2019.2 only |
The facts
Each one read from FBX2glTF's own pages, with the date it was checked.
What it does
- Animation
- Every FBX animation is baked into the glTF output, and blend shapes are supported.checked 1 Oct 2026
- Animation limitation
- Baked animation can create potentially very large files, especially for complex rigs.checked 1 Oct 2026
- Build requirement
- The build system supports only FBX SDK version 2019.2 and will not successfully locate other versions.checked 1 Oct 2026
- Compression
- Optional Draco compression can reduce mesh size but requires a viewer that supports KHR_draco_geometry_compression.checked 1 Oct 2026
- Downloads
- Precompiled binaries are provided for Windows, Mac OS X and Linux.checked 1 Oct 2026
- Material support
- Emissive constants and textures, occlusion maps, and normal maps transfer automatically.checked 1 Oct 2026
- Node integration
- The npm package exposes a Promise-based Node API and includes binaries for Darwin, Linux, and Windows_NT.checked 1 Oct 2026
- Output formats
- The CLI can output a separate glTF representation or a single binary .glb file, and can embed buffers as data URIs.checked 1 Oct 2026
- PBR integration
- Metallic-roughness PBR conversion supports Stingray PBS, which is bundled with Maya; Substance Painter also exports Stingray PBS when connected to Maya.checked 1 Oct 2026
- Purpose
- FBX2glTF is a command-line tool that converts Autodesk FBX 3D model assets to glTF 2.0.checked 1 Oct 2026
- Release status
- The initial v0.9.0 release was identified as a beta pre-release because the tool had not been exposed to the wide variety of FBX variations in the wild.checked 1 Oct 2026
- Security and licensing
- FBX2glTF is licensed under the 3-clause BSD license, and the included Autodesk FBX code is provided as-is with warranties disclaimed.checked 1 Oct 2026
- Support
- The project actively encourages users to file GitHub issues with details when behavior is unexpected or the tool crashes.checked 1 Oct 2026
Where it runs
- Windows builds
- Bleeding-edge Windows binaries are available through AppVeyor, while Linux and Mac OS X users can build their own.checked 1 Oct 2026
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