This is the honest question. VRoid Studio (free) lets you build a VRM avatar from scratch in minutes. So why convert GLB to VRM?
Only convert if customization outweighs convenience. convert+glb+to+vrm+better
VRM relies on blendshapes (also called morph targets or shape keys) for facial expressions: Joy, Angry, Sorrow, Fun, Blink, etc. Most GLB files from hard-surface modeling lack these entirely. "Better" conversion means generating or mapping these facial expressions. This is the honest question
When evaluating tools for a better conversion: Only convert if customization outweighs convenience
Converting GLB to VRM better involves choosing a tool or method that balances ease of use with the quality of output and feature support. For most users, starting with simple online tools and then moving to more sophisticated software like Blender or Unity for fine-tuning can provide the best results. The quest for a "better" conversion is subjective and largely dependent on the specific needs of the project, including the complexity of the model, required features, and the user's technical expertise.
Best for: Simple humanoid models without complex facial rigging.
Tools: VRoid Mobile (iOS/Android) or Nightily VRM Converter.