The character must be rigged with a skeletal armature. This armature must feature standard humanoid bone structures compatible with game engines like Unity or Unreal Engine.
Ensure your model is facing the positive Y-axis (looking forward in the front view). Step 3: Map the Humanoid Bones Select your character's armature.
Which are you hoping to use this avatar in?
Click to verify that Unity mapped the bones to the skeleton correctly. Fix any red, unmapped bones. Step 3: First Export to VRM (The T-Pose Pass) Drag your character model into the Unity Scene hierarchy. Select the character in the hierarchy window. convert glb to vrm
Visually slide and map your facial expressions. VRM First Person: Set the offset for the tracking camera. VRM Spring Bone: Add dynamic bounce to chains of bones.
This is a compact, single-file version of the glTF format. It contains the 3D mesh, textures, animations, and node hierarchy. It is widely supported by 3D engines, but it treats characters as standard 3D objects, not interactive avatars.
What or platform do you plan to use this VRM avatar in? The character must be rigged with a skeletal armature
If you prefer modeling and rigging in an all-in-one suite, Blender is the answer.
Before starting the conversion process, it helps to understand what makes these two file types different.
Download the latest .unitypackage from the VRM project GitHub . Step-by-Step Conversion Open Unity: Create a new 3D project. Step 3: Map the Humanoid Bones Select your
A popular web-based utility. You simply upload your GLB, and it attempts to wrap it in a VRM container. Pros: Instant, no installation. Cons: Limited control over physics and facial expressions. Method 2: The Professional Way (Unity + UniVRM)
The conversion of to VRM is a common requirement for adapting generic 3D models into specialized humanoid avatars used in VTubing and social VR platforms. While both formats are based on the glTF 2.0 standard, VRM adds specific humanoid constraints and metadata that require a deliberate "re-authoring" process. Core Conversion Methods 1. The Professional Workflow (Unity + UniVRM)
Does your character model have a already?