glTF Extension Prefixes
The following extension prefixes are reserved by the spec maintainers:
KHR- Ratified or intended-to-be-ratified by Khronos GroupEXT- Prefix for extensions proposed by multiple vendors
To request a prefix, submit a GitHub issue with the name of the requested prefix and the vendor that will be using it. Maintainers, please assign the extension label to the issue.
Once a prefix is approved, it should be added to the glTF Validator’s list of known prefixes.
Registered Vendor Prefixes
| Prefix | Company or Project Name | Contacts | Request |
|---|---|---|---|
ADOBE | Adobe, Inc. | https://adobe.com/ | #1431 |
AGI | Analytical Graphics, Inc. | https://agi.com/ | #1405 |
AGT | Augment SAS | https://www.augment.com/ | #1571 |
ALCM | Alchemisten AG | https://alchemisten.ag/viktor.gerbert at alchemisten.ag | #1708 |
ALI | Alibaba Group | https://www.alibaba.com/ | #1160 |
AMZN | Amazon | https://www.amazon.com/jasoncan at amazon.com | #1233 |
ANIMECH | Animech AB | http://animech.com/ | #1780 |
ASOBO | Asobo Studio | https://www.asobostudio.com/ | #1989 |
AUDACES | Audaces Automacao Industrial | https://audaces.com/edward.boszczowski at audaces.com | #2231 |
AVR | AltspaceVR, Inc. | https://altvr.com/ | #1009 |
BENTLEY | Bentley Systems, Inc. | https://www.bentley.com/paul.connelly at bentley.com | #2259 |
BLENDER | Blender Foundation | https://www.blender.org/ | #865 |
C3D | Core3D, Inc. | https://core3d.io/ | #2264 |
CAPTURE | Capture Visualisation AB | https://www.capture.se/ | #1732 |
CESIUM | Cesium GS, Inc. | https://cesium.com/ | |
CITRUS | Citrus Toolbox | https://github.com/KenzieMac130/CitrusToolbox | #1962 |
CLO | CLO Virtual Fashion | https://www.clo3d.com/ | #1944 |
CVTOOLS | Canvas Tools | https://github.com/MackeyK24/CanvasTools | #1389 |
DGG | Darmstadt Graphics Group GmbH | https://dgg3d.com/ | #2303 |
DOTV | DotVision | https://dotvision.com/guillaume.pelletier at dotvision.com | #2192 |
EMBARK | Embark Studios AB | https://www.embark-studios.com/ | #2097 |
EPIC | Epic Games, Inc. | https://www.epicgames.com/ | #1905 |
ESSILORLUXOTTICA | Luxottica Group S.p.A. | https://www.essilorluxottica.com/ | #2204 |
F8 | Forum8 Co., Ltd. | https://www.forum8.com/ | #1999 |
FB | Facebook, Inc. | https://www.facebook.com/ | #1139 |
FOXIT | Foxit Software, Inc. | https://foxitsoftware.com/liqian_mu at foxitsoftware.com | #1712 |
GODOT | Godot Engine | https://godotengine.org/ernest.lee at chibifire.comjuan at godotengine.orgcontact at godotengine.org | #2240 |
GOOGLE | Google, LLC | https://www.google.com/ | #1123 |
GRIFFEL | Griffel Studio | https://griffelstudio.com/ | #1861 |
HEVOLUS | Hevolus Srl | https://www.hevolus.it/ | #2183 |
ICOSA | Icosa Foundation | https://icosa.foundation/ | #2208 |
INTEL | Intel Corporation | https://www.intel.com/ | #2142 |
KDAB | The KDAB Group | https://www.kdab.com/ | #1728 |
KITTYCAD | KittyCAD, Inc. | https://kittycad.io/david at kittycad.io | #2344 |
LLQ | Lifeliqe, Inc. | https://www.lifeliqe.com/ | #1414 |
MAGNUM | Magnum Engine | https://magnum.graphics/info at magnum.graphics | #2222 |
MAXAR | Maxar Technologies | https://www.maxar.com/ | #1869 |
MESHOPT | meshoptimizer | https://meshoptimizer.org/ | #1634 |
MIRROR | The Mirror Megaverse Inc. | https://www.themirror.space/khronos at themirror.space | #2230 |
MOZ | Mozilla Corporation | https://www.mozilla.org/ | #1349 |
MPEG | The Moving Picture Experts Group | https://www.mpeg.org | #1754 |
MSFT | Microsoft Corporation | https://www.microsoft.com/ | #1164 |
MTTR | Matterport, Inc. | https://matterport.com/ | #2150 |
MX | The Matrix.org Foundation | https://matrix.org/ | #2126 |
NEEDLE | Needle Tools | https://needle.tools/felix at needle.tools | #2131 |
NTAR | Nextech AR Solutions Inc. | https://www.nextechar.com/mitch at nextechar.com | #2188 |
NV | NVIDIA Corporation | https://www.nvidia.com/ | #1211 |
OFT | OppenFuture Technologies | https://www.hololux.cn/en/ | #1957 |
OMI | Open Metaverse Interoperability Group | https://github.com/omigroup/OMI | #2003 |
OTOY | OTOY, Inc. | https://otoy.com/ | #2112 |
OWLII | Owlii, Inc. | https://www.owlii.com/ | #1093 |
PANDA3D | Panda3D | https://www.panda3d.org/ | #1828 |
POLUTROPON | Polutropon Games | https://polutropon.games/ybalrid at polutropon.games | #1632 |
PTC | PTC Inc. | https://www.ptc.com/ | #1851 |
S8S | Soft8Soft | https://www.soft8soft.com/ | #1240 |
SE | Schneider Electric SE | https://www.se.com/ | #2134 |
SEIN | Hiloteam | https://seinjs.com/ | #1840 |
SHAPEDIVER | ShapeDiver GmbH | https://www.shapediver.com/ | #2103 |
SI | Smithsonian Institution | https://www.si.edu/ | #1410 |
SKFB | Sketchfab, Inc. | https://sketchfab.com/ | #1239 |
SKYLINE | Skyline Software Systems, Inc. | https://www.skylinesoft.com/ | #1704 |
SNAP | Snap, Inc. | https://snap.com/ | #2125 |
SPECTRUM | Spectrum | https://spectrumcustomizer.com/ | #1804 |
TENCENT | Tencent, Inc. | https://www.tencent.com/ | #2118 |
TRYON | TRYON Technology Ltd. | https://tryon.technology/ | #1785 |
UNITY | Unity Software Inc. | https://unity.com/ | #2185 |
USSF | US Space Force | https://www.spaceforce.mil/ | #2177 |
UX3D | UX3D GmbH | https://ux3d.io/ | #1896 |
VRMC | VRM Consortium | https://vrm-consortium.org/ | #1874 |
VSEKAI | V-Sekai | https://v-sekai.org/ernest.lee at chibifire.comxn.lyuma at gmail.com | #2206 |
WEB3D | The Web3D Consortium, Inc. | https://www.web3d.org/ | |
WGE | Webgears Inc. | https://webgears.app/contact at webgears.app | #2299 |