This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
This method gives you total control over expressions, eye tracking, and physics. 1. Setup the Project
Set up gravity and drag settings to prevent hair from looking stiff. 5. Final Export to VRM
Yes, technically you can, but textures often become unlinked and must be manually re-added. Use the VRM Add-on for Blender instead—it properly handles the conversion and preserves textures and shaders. convert+glb+to+vrm+better
For creators, the journey often begins with a GLB file—perhaps exported from Blender, Maya, or a 3D scanning app—which must be converted into a functional VRM avatar. However, simply pressing a "convert" button often yields poor results. Achieving a "better" conversion requires understanding the structural differences between the formats and mastering the rigging and standardization processes that bridge them.
What do you plan to use your final VRM file in?
If you simply export a GLB to VRM, it may appear, but it won't move properly. Follow these steps to optimize the mesh. A. Rigging and Bone Mapping (Humanoid) VRM requires a strict bone structure. Import your GLB. This public link is valid for 7 days
The most powerful open-source method. It allows you to fix topology, assign materials, and map bones before exporting.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | Model appears with missing textures | Relative texture paths broken | Embed textures in VRM or ensure correct path mapping | | No facial expressions | BlendShapes not mapped to VRM expression names | Map shape keys to standard expression names (happy, sad, angry, surprised, neutral) | | Bones incorrectly positioned | Skeleton hierarchy doesn't match VRM standard | Rebuild skeleton or remap bones using bone mapping tools | | Export fails (bone count issue) | Too many bones or non-humanoid bones included | Remove unnecessary bones or split model into multiple files | | Animation issues after conversion | GLB animations not compatible with VRM rig | Re-target animations in Unity before export | | "Command not found" (CLI tools) | PATH not updated after installation | Run ./setup_global.sh or add ~/.local/bin to PATH manually | | Model looks different in VRM viewer | Shader incompatibility | Convert custom shaders to MToon in Blender prior to export | | File too large for upload | Textures too high resolution or too many polygons | Downscale textures to 512-1024px, use mesh simplification tools, prune unnecessary animations |
Need a specific tool recommendation? For casual users, start with VRoid Studio + UniGLB. For professionals, build a Blender pipeline. Can’t copy the link right now
Drag the imported model from the Project window into the Scene hierarchy. Step 3: Optimize and Map Bones (The "Better" Step) This is where the conversion becomes "better." In the Inspector, go to VRM0 -> Export to VRM .
Absolutely. Blender is free and open-source, the VRM Add-on is free, and Unity has a free personal license. Several CLI tools and npm packages are also open-source and free to use.
(binary glTF) is a universal, runtime-optimized format for AR/VR, web, and games. It can contain:
Ensure you are exporting to the version required by your software (VRM 0.x is still more widely supported than VRM 1.0) ( Bone Hierarchy: