コマンドラインツール gltf-transform on command line
GitHub - donmccurdy/glTF-Transform: glTF 2.0 SDK for JavaScript and TypeScript, on Web and Node.js.
gltf to glb
gltf-transform copy a.gltf output.glb
I don't know this is correct, but It seems to work
optimize
gltf-transform optimize input.glb output.glb --texture-compress webp
Help
gltf-transform --help
Help to check "resize"
gltf-transform help resize
resize tex
gltf-transform resize g5.glb g5resize.glb --height 512 --width 512
