For those who don't want to install heavy software, web-based tools like or specific specialized GLB-to-VRM web converters exist. Pros: Instant results; no technical setup.
In Unity, after importing the VRM, check the Animator component. Under "Avatar", click Configure . Manually remap the "Left Upper Arm" and "Right Upper Arm" rotation constraints. Alternatively, return to Blender, apply the Rotation as Rest Pose, and re-export. convert glb to vrm
menu. You will need to fill in metadata like the avatar name and author before the export button becomes active. Key Requirements for a Successful Conversion Humanoid Skeleton For those who don't want to install heavy
This is the most common method for creators who need complex features like "spring bones" (hair/clothing physics). Required Tool : Download the UniVRM package and import it into a Unity project VIVERSE Avatar Import your GLB and set the Animation Type to "Humanoid." UniVRM menu to "Export to VRM." Under "Avatar", click Configure
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge