.gltf

GL Transmission Format, the Khronos Group JSON standard for efficient 3D model transmission

Dedicated renderer

Format facts

MIME type: model/gltf+json
Apple UTI: custom
Stock Quick Look: shown as plain text
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: universal

Renderer note (from the census)

pure Go JSON parse for nodes/meshes

Gotchas: modern 3D web