ABCEFGHIJKLMNOPQRSTUVWXYZAA
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sLinkStatusDescriptionUnityGLTF ImportUnityGLTF ExportGLTFast ImportGLTFast ExportassimpMeta Spatial SDKResoniteBabylon.jsBlender ImportBlender Exportthree.js ImportUnrealGodot ImportGodot ExportMozilla HubsGestaltorPlayCanvasOrillusionResoniteNo Known ImplementationAdditional Notes
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KHR_accessor_float64https://github.com/KhronosGroup/glTF/pull/2397Draft64-bit float data in glTF accessors
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KHR_animation_pointerhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_animation_pointerCompleteAnimate arbitrary glTF properties
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KHR_audio_emitterhttps://github.com/KhronosGroup/glTF/pull/2137Waiting for KhronosSpeaker object that emits audioAs sample codeIn progressIn progress
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KHR_audio_graphhttps://github.com/KhronosGroup/glTF/pull/2421DraftGraph-based audio processing
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KHR_draco_mesh_compressionhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_draco_mesh_compressionCompleteCompress mesh data to lower file size
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KHR_environment_maphttps://github.com/KhronosGroup/glTF/pull/1956UnmaintainedSource engine style cubemaps
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KHR_implicit_shapeshttps://github.com/KhronosGroup/glTF/pull/2370DraftShapes for use with physics systemsPendingPending
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KHR_interactivityhttps://github.com/KhronosGroup/glTF/pull/2293DraftInteractive visual scripting behavior graphs
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KHR_lights_punctualhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_lights_punctualCompleteDirectional, point, and spot lights
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KHR_materials_anisotropyhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_anisotropyCompleteReflections that vary by the viewing angle(roundtripping but no visual support)
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KHR_materials_clearcoathttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_clearcoatCompleteShiny outer coating on top of a surfaceURP/HDRP
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KHR_materials_diffuse_transmissionhttps://github.com/KhronosGroup/glTF/pull/1825ExperimentalTranslucency for paper, plastic, wax, leaf
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KHR_materials_dispersionhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_dispersionCompleteAngular separation of colors (chromatic aberration)
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KHR_materials_emissive_strengthhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_emissive_strengthCompleteHDR emission above "1.0"
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KHR_materials_iorhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_iorCompleteIndex of refraction for bending light raysPlanned for URP/HDRP
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KHR_materials_iridescencehttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_iridescenceCompleteVary the hue depending on viewing angle
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KHR_materials_pbrSpecularGlossinessDeprecatedSuperseded by KHR_materials_specular
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KHR_materials_sheenhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_sheenCompleteSheen effect for shiny fabric materialsPlanned for URP/HDRP
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KHR_materials_specularhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_specularCompleteSpecular reflection for shiny materialsPlanned for URP/HDRP
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KHR_materials_subsurfacehttps://github.com/KhronosGroup/glTF/pull/1928DraftSubsurface scattering materials
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KHR_materials_translucencyDeprecatedwas this renamed to transmission?
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KHR_materials_transmissionhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_transmissionCompleteNon-volumetric transmission: glass, plasticYes with manual changesPartial/Planned
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KHR_materials_unlithttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_unlitCompleteNon-PBR unlit/toon materials
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KHR_materials_variantshttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_variantsCompleteLow-latency swapping of materials[via plugin]
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KHR_materials_volumehttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_materials_volumeCompleteVolumetric refraction and absorptionYes with manual changesPlanned for URP/HDRP
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KHR_mesh_quantizationhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_mesh_quantizationCompleteQuantize mesh data to lower file size
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KHR_node_hoverabilityhttps://github.com/KhronosGroup/glTF/pull/2426Draft"Mousing over" objects using a raycast
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KHR_node_selectabilityhttps://github.com/KhronosGroup/glTF/pull/2422Draft"Clicking on" objects using a raycast
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KHR_node_visibilityhttps://github.com/KhronosGroup/glTF/pull/2410DraftBoolean for if a node is visible or hidden
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KHR_physics_rigid_bodieshttps://github.com/KhronosGroup/glTF/pull/2424DraftPhysics objects in the glTF scenePendingPending
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KHR_skin_stricthttps://github.com/KhronosGroup/glTF/pull/1747DraftRestrict behavior of skins and bone nodes
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KHR_techniques_webglDeprecated
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KHR_texture_basisuhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_texture_basisuCompleteGPU-ready Basis Universal in KTX v2
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KHR_texture_proceduralshttps://github.com/KhronosGroup/glTF/pull/2381DraftGenerate textures via visual graphs
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KHR_texture_transformhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_texture_transformCompleteOffset, rotate, and scale textures
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KHR_texture_videohttps://github.com/KhronosGroup/glTF/pull/2285DraftVideos as textures
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KHR_xmp_json_ldhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Khronos/KHR_xmp_json_ldCompleteXMP data including DCMI copyright info[via plugin][via plugin]
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EXT_accessor_additional_typeshttps://github.com/KhronosGroup/glTF/pull/2395Draft64-bit & 16-bit float, 64-bit int data
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EXT_animation_maphttps://github.com/KhronosGroup/glTF/pull/1137
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EXT_implicit_cylinder_region https://github.com/KhronosGroup/glTF/pull/2495
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EXT_implicit_ellipsoid_region https://github.com/KhronosGroup/glTF/pull/2494
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EXT_lights_ieshttps://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Vendor/EXT_lights_iesCompleteReal-world light data via IES profiles
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EXT_lights_image_basedhttps://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Vendor/EXT_lights_image_basedVendor-onlyImage-based lights and illumination
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EXT_materials_bumphttps://github.com/KhronosGroup/glTF/pull/2339DraftBump map on materials
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EXT_mesh_featureshttps://github.com/KhronosGroup/glTF/pull/2082
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EXT_mesh_gpu_instancinghttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/EXT_mesh_gpu_instancingCompleteRendering many copies of a meshIn progressIn progress
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EXT_mesh_manifoldhttps://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Vendor/EXT_mesh_manifoldCompleteClosed volume "water-tight" meshes
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EXT_meshopt_compressionhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/EXT_meshopt_compressionCompleteFast-decode mesh compression
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EXT_primitive_voxels https://github.com/KhronosGroup/glTF/pull/2496
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EXT_structural_metadatahttps://github.com/KhronosGroup/glTF/pull/2151
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EXT_texthttps://github.com/takahirox/EXT_textAbandonedText object in 3D like Label3D
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EXT_texture_proceduralshttps://github.com/KhronosGroup/glTF/pull/2381DraftGenerate textures via visual shader graphs
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EXT_texture_svghttps://github.com/KhronosGroup/glTF/pull/2338DraftSVG image format for textures
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EXT_texture_webphttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/EXT_texture_webpCompleteWebP image format for textures
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OMI_audio_ogg_vorbishttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_audio_ogg_vorbisOMI Stage 1OGG Vorbis for KHR_audio_emitterIn progress
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OMI_audio_opus https://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_audio_opusOMI Stage 1Opus audio for KHR_audio_emitter
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OMI_environment_skyhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_environment_skyOMI Stage 0Defining the skybox of a glTF asset[via plugin][via plugin]
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OMI_linkhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_linkUnmaintainedProvides a link on a glTF node
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OMI_personalityhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_personalityUnmaintainedProvides a prompt for an AI agent
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OMI_physics_bodyhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_physics_bodyOMI Stage 1Physics objects in the glTF scene[via plugin]
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OMI_physics_gravityhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_physics_gravityOMI Stage 1Gravity like in Super Mario Galaxy[via plugin][via plugin]
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OMI_physics_jointhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/omi_physics_jointOMI Stage 1Constrain physics objects together[via plugin][via plugin]
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OMI_physics_shapehttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_physics_shapeOMI Stage 1Shapes for use with physics systems[via plugin]
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OMI_seathttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_seatOMI Stage 2Allows characters to sit on objects[via plugin][via plugin]
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OMI_spawn_pointhttps://github.com/omigroup/gltf-extensions/tree/main/extensions/2.0/OMI_spawn_pointOMI Stage 1Where characters spawn in the scene[via plugin]
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OMI_vehicle_bodyhttps://github.com/omigroup/gltf-extensions/pull/231DraftControllable pilotable vehicle body[via plugin][via plugin]
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OMI_vehicle_hover_thrusterhttps://github.com/omigroup/gltf-extensions/pull/231DraftHover thrusters for vehicles (sci-fi)[via plugin][via plugin]
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OMI_vehicle_thrusterhttps://github.com/omigroup/gltf-extensions/pull/231DraftGimbalable thrusters for vehicles[via plugin][via plugin]
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OMI_vehicle_wheelhttps://github.com/omigroup/gltf-extensions/pull/231DraftWheels for vehicles[via plugin][via plugin]
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ADOBE_materials_clearcoat_specularhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/ADOBE_materials_clearcoat_specularDraftShiny specular coating on materials
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ADOBE_materials_clearcoat_tinthttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/ADOBE_materials_clearcoat_tintCompleteShiny tinted coating on materials
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ADOBE_materials_thin_transparencyhttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/ADOBE_materials_thin_transparencyDeprecatedKHR_materials_transmission & ior
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AGI_articulationshttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/AGI_articulationsCompleteRuntime-determined animation/movement
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AGI_stk_metadatahttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/AGI_stk_metadataCompleteSolar panel metadata (Systems Tool Kit)
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CESIUM_primitive_outlinehttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/CESIUM_primitive_outlineVendor-onlyRender edges on glTF meshes
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CLO_materials_reflection_intensityUnknown
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Effekseer_emittershttps://github.com/virtual-cast/VCI/tree/62c265ba3d33c1ebc3dd3e68a74cdb7acbc7beea/Assets/VCI/UniVCI/Scripts/Format/GltfExtensions/NodeExtensionsUnknowninvalid shortcode - "Effekseer" is unique
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EPIC_animation_playback
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EPIC_blend_modes
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EPIC_hdri_backdrops
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EPIC_lightmap_textures
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EPIC_level_variant_sets
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EPIC_sky_spheres
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EPIC_texture_hdr_encoding
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FB_geometry_metadatahttps://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Vendor/FB_geometry_metadataDraftBounds, vertex count, and prim count
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FB_ngon_encoding
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FRAUNHOFER_external_modelhttps://github.com/tsturm/glTF/tree/FRAUNHOFER_external_model/extensions/2.0/Vendor/FRAUNHOFER_external_model
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GODOT_single_roothttps://github.com/KhronosGroup/glTF/pull/2329CompleteSpecifies a single root node for a file
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GOOGLE_backgrounds
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GOOGLE_camera_settings
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GOOGLE_hotspot_annotation_settings
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GOOGLE_hotspot_settings
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GOOGLE_lights_image_based
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GOOGLE_real_world_transform
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GOOGLE_scene_rotation
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GOOGLE_tilt_brush_material