Convert+glb+to+vrm+better Link -
Map your GLB's shape keys to VRM's standard blendshapes (e.g., Joy, Angry, Sorrow, Fun, and Neutral) so your avatar can "speak" and express emotions. 4. VRM 0.0 vs. VRM 1.0: Which to Choose?
gltf2vrm (GitHub) : A browser-based tool that allows you to upload a GLB, map bones via a UI, and export directly. convert+glb+to+vrm+better



