glTF

File Format
Name	GlTF
Ontology	Electronic File Formats 3D and CAD/CAM Models GlTF
Extension(s)	.gltf, .glb
PRONOM	fmt/1314, fmt/1315, fmt/1316
Wikidata ID	Q28135989
Kaitai Struct Spec	gltf_binary.ksy

glTF (GL Transmission Format; that's confusingly a lowercase l, not an uppercase I, in its mixed-case initialism) is a format for transmitting 3D models and scenes. It has open-source specs that are royalty-free, but claims an unregistered trademark on its name.

File Identification

glTF files can be in a open HTML format or a binary .GLB format.

Specs

• glTF 2.0 spec
• glTF 1.0 spec

Software

• assimp

Samples

• Many 3D models are in Smithsonian set, in this and other formats
• glTF Samples
• dexvert samples — poly/glTF

Links

• Official site
• GitHub site