If you prefer 3D modeling software, you can use the .
Go to the top menu in Unity and select (or VRM1 depending on your package version).
Install the official VRM add-on to export directly from Blender. Your GLB Model: A rigged humanoid avatar. Step-by-Step: Convert GLB to VRM Full Guide 1. Import and Prepare the Model in Blender Open Blender and delete the default cube. convert glb to vrm full
The user ensures the GLB has a "Humanoid" rig. Without a skeleton, the character is just a statue.
Leo stared at the spinning helmet. He knew .GLB was a universal standard for 3D objects, but .VRM was the specific bloodline of the VTuber world—a format designed for virtual social interaction. He realized this wasn't just a file conversion; it was a translation of purpose. He was about to undertake a "Full" conversion, a process that turns a static object into an avatar with a soul. If you prefer 3D modeling software, you can use the
Fill in the mandatory fields: Title, Author, and License (Allowed to use as avatar, etc.).
Adjust the stiffness and gravity forces so the hair bounces naturally when the avatar moves. Step 4: Exporting the VRM File Your GLB Model: A rigged humanoid avatar
The "Full" part of the conversion happens in the panel. This is where the character gains its personality:
: The official standard tool. Best for professional developers who want to fine-tune colliders and advanced lighting shaders (MToon). 💡 Key Differences at a Glance Feature GLB (Generic) VRM (Avatar) Skeleton Any structure Must be Humanoid Metadata Licensing & Permissions Physics Not standardized "Spring Bones" included Expressions Standard Shape Keys Defined "BlendShapeClips" ⚠️ Common Pitfalls
Map your model’s existing mesh shape keys (from the GLB) to the required VRM expressions (e.g., set blink_L to activate the left-eye-close shape key). 5. Adding Spring Bones (Physics) To make hair, skirts, or tails move naturally: Go to the Spring Bone tab. Click "Add Spring Bone Group". Add the bones (e.g., hair joints) to the group. Adjust stiffness and gravity in the settings. 6. Export the VRM File Go to File -> Export -> VRM (.vrm) .