[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension:v3:en:glb":3},{"resolvedFromAlias":4,"canonicalExt":5,"ext":5,"name":6,"category":7,"categoryName":8,"updatedAt":9,"popularity":10,"summary":11,"howToOs":12,"quickAnswer":18,"answerIntro":19,"whatIs":20,"description":21,"furtherReading":22,"openInstructions":41,"commonIssues":55,"securityNotes":74,"faq":78,"aliases":91,"mimeTypes":92,"relatedExtensions":94,"breadcrumbs":140,"categoryAnchor":150,"categoryFuturePath":151,"metaDescription":152,"availableHowToOs":153,"openOnDeviceLinks":154,"cannotOpenReasons":170,"cannotOpenFixes":171,"convertOptions":172,"securityAffiliateMessaging":173,"securityAffiliates":174},false,"glb","glTF Binary (GLB)","3d","3D","2026-06-12T08:22:29.696Z",68,".glb is the binary form of glTF 2.0, commonly used to deliver 3D models and scenes as a single file. It’s widely supported by 3D tools and viewers that can import/export glTF.",[13,14,15,16,17],"windows","mac","linux","ios","android","To open .GLB files on Windows, use Windows 3D Viewer to open the .glb (right-click the file → Open with → 3D Viewer, if available).","To open a .glb file, use a 3D viewer or editor that supports glTF 2.0—Blender can import it, and Windows 3D Viewer is commonly used for viewing. If double-clicking doesn’t work, open it from within the app’s Import/Open menu and select GLB/glTF.","GLB is the binary container form of glTF 2.0. A GLB packages the glTF JSON plus associated binary data into one file using a header and chunk structure (typically a JSON chunk and an optional binary chunk). This design helps distribute 3D assets as a single, self-contained file.","GLB is part of the glTF (GL Transmission Format) family from Khronos, designed for efficient “runtime” delivery of 3D assets. Instead of a .gltf JSON file that may reference external binary buffers and textures, a .glb can bundle content into one binary file for simpler sharing and loading.",[23,26,29,32,35,38],{"title":24,"url":25},"IANA Media Types registry (glTF: model/gltf-binary and model/gltf+json)","https://www.iana.org/assignments/media-types/",{"title":27,"url":28},"glTF 2.0 Specification (Khronos) — GLB container and chunk structure","https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html?initialSessionID=262-7493612-7323838&ld=ASXXSCTFRDirect",{"title":30,"url":31},"Khronos glTF overview — runtime 3D asset delivery and .glb","https://www.khronos.org/gltf/",{"title":33,"url":34},"Blender Manual — glTF 2.0 add-on (import/export .glb/.gltf)","https://docs.blender.org/manual/en/2.80/addons/io_scene_gltf2.html",{"title":36,"url":37},"Microsoft Support — 3D Viewer guidance mentioning GLB as a recommended format","https://support.microsoft.com/en-au/windows/support-for-fbx-files-has-been-turned-off-in-3d-viewer-b7483e83-422c-4d65-b94d-853eb65cb134",{"title":39,"url":40},"GlTF (Wikipedia) — overview including GLB as the binary form","https://en.wikipedia.org/wiki/GlTF",{"windows":42,"macos":45,"linux":48,"ios":51,"android":53},[43,44],"Use Windows 3D Viewer to open the .glb (right-click the file → Open with → 3D Viewer, if available).","For editing, open Blender → File → Import → glTF 2.0 (.glb/.gltf) and choose the file.",[46,47],"To edit or inspect, open Blender → File → Import → glTF 2.0 (.glb/.gltf) and select the .glb file.","If you only need viewing and you don’t have a compatible viewer installed, transfer the file to a desktop app that supports glTF/GLB (such as Blender).",[49,50],"Open Blender → File → Import → glTF 2.0 (.glb/.gltf) and select the file.","If file associations are wrong, use your desktop’s “Open With” and choose an app that supports glTF; Linux desktops typically rely on the shared MIME database for recognizing file types.",[52],"If you can’t open it on-device, transfer the .glb to a desktop app that supports glTF/GLB (for example, Blender) for viewing or conversion.",[54],"If you don’t have a compatible 3D viewer installed, transfer the .glb to a desktop app that supports glTF/GLB (for example, Blender).",[56,62,68],{"title":57,"description":58,"steps":59},"Double-click opens in the wrong app (or not at all)","File associations can be missing or incorrect, especially if no 3D viewer/editor that recognizes GLB is installed.",[60,61],"Open the file from inside a glTF-capable app (for example, Blender: File → Import → glTF 2.0).","On Windows, choose Open with → 3D Viewer (if available) or set a default app for .glb files.",{"title":63,"description":64,"steps":65},"Model imports but looks wrong (missing parts/materials)","GLB stores the glTF JSON and binary payload in chunks; if the file is corrupted or truncated, loaders may partially import it or fail to interpret data correctly.",[66,67],"Re-download or re-export the .glb from the source tool to ensure the file is complete.","Try importing in Blender to see whether the issue reproduces; if it does, the file may be malformed or incomplete.",{"title":69,"description":70,"steps":71},"Importer says the GLB is invalid or unsupported","Some software only supports specific glTF 2.0 features; additionally, a GLB must follow the required container/chunk rules defined by the glTF 2.0 specification.",[72,73],"Validate or re-export the asset as glTF 2.0 (GLB) from a known-good exporter (for example, Blender’s glTF 2.0 exporter).","If you control the asset pipeline, confirm the file targets glTF 2.0 and follows the GLB chunk layout requirements.",[75,76,77],"A .glb is not an executable format, but it is a complex binary container parsed by 3D engines and importers; malicious or malformed GLB files can target parser bugs in viewers/editors.","Because GLB is a container with structured chunks (JSON chunk plus optional binary chunk), corrupted or tampered files can cause crashes or hangs in some applications; prefer opening untrusted GLBs in up-to-date software.","Treat unexpected GLB files like any untrusted downloaded asset: only open them in software you trust and keep import/viewer tools updated to reduce exposure to format-parsing vulnerabilities.",[79,82,85,88],{"question":80,"answer":81},"What is the difference between .glb and .gltf?",".gltf is the JSON-based form of glTF and may reference external files, while .glb is the binary container form that can package the JSON and binary data together in one file.",{"question":83,"answer":84},"What MIME type is used for .glb files?","The IANA-registered media type for GLB (binary glTF) is model/gltf-binary.",{"question":86,"answer":87},"Can Blender open and export .glb?","Yes. Blender’s glTF 2.0 add-on supports importing and exporting glTF 2.0 files, including .glb.",{"question":89,"answer":90},"Is .glb recommended for Windows 3D Viewer?","Microsoft identifies GLB as a recommended 3D format to use with 3D Viewer.",[],[93],"model/gltf-binary",[95,101,107,112,118,124,129,134],{"ext":96,"name":97,"category":7,"categoryName":8,"popularity":98,"summary":99,"howToOs":100},"gltf","glTF (GL Transmission Format) 3D Asset",70,".gltf is a JSON-based 3D scene/model format (glTF 2.0) used to exchange and render 3D assets. It’s commonly opened in 3D tools like Blender, web apps via Three.js, and viewers that support glTF.",[13,14,15,16,17],{"ext":102,"name":103,"category":7,"categoryName":8,"popularity":104,"summary":105,"howToOs":106},"obj","Wavefront OBJ (3D geometry) file",78,"OBJ is a widely used text-based 3D geometry format that stores vertices, texture coordinates, normals, and polygon faces. It is commonly accompanied by a separate MTL material library file for appearance settings.",[13,14,15,16,17],{"ext":108,"name":109,"category":7,"categoryName":8,"popularity":104,"summary":110,"howToOs":111},"fbx","Autodesk FBX (Filmbox) 3D interchange format",".fbx is a proprietary 3D scene and asset exchange format owned by Autodesk and widely used to move models, animation, and scene data between 3D tools and game/animation pipelines.",[13,14,15,16,17],{"ext":113,"name":114,"category":7,"categoryName":8,"popularity":115,"summary":116,"howToOs":117},"stl","STL (Stereolithography) 3D Mesh",85,"STL is a widely used 3D model exchange format for 3D printing and rapid prototyping, storing a surface as a triangle mesh. It commonly comes in either ASCII or binary form.",[13,14,15,16,17],{"ext":119,"name":120,"category":7,"categoryName":8,"popularity":121,"summary":122,"howToOs":123},"3mf","3D Manufacturing Format (3MF)",55,".3mf is the 3D Manufacturing Format (3MF), an open standard for exchanging 3D print-ready models and related data. It is commonly opened in 3D printing “slicer” software such as PrusaSlicer.",[13,14,15,16,17],{"ext":125,"name":126,"category":7,"categoryName":8,"popularity":121,"summary":127,"howToOs":128},"blend","Blender Project File (BLEND)",".blend is Blender’s native project file that can store an entire 3D scene (objects, materials, textures references, animations, etc.) in one file. It is primarily opened and edited with Blender.",[13,14,15,16,17],{"ext":130,"name":131,"category":7,"categoryName":8,"popularity":121,"summary":132,"howToOs":133},"ply","Polygon File Format (PLY / Stanford Triangle Format)",".ply is a 3D geometry file format commonly used for polygon meshes and point clouds. It can store vertex/face data plus per-element properties, in either ASCII or binary encodings.",[13,14,15,16,17],{"ext":135,"name":136,"category":7,"categoryName":8,"popularity":137,"summary":138,"howToOs":139},"mtl","Wavefront Material Template Library (MTL)",45,".mtl is a text-based material library used with Wavefront OBJ (.obj) files to describe surface appearance such as colors, shininess, transparency, and texture maps.",[13,14,15,16,17],[141,144,147],{"label":142,"to":143},"Home","/",{"label":145,"to":146},"File Extension Index","/file-extension",{"label":148,"to":149},".GLB","/file-extension/glb","category-3d","/category/3d","Learn what .GLB files are, how to open them on every platform, common fixes, and security best practices.",[13,14,15,16,17],[155,158,161,164,167],{"os":13,"label":156,"to":157},"Open .GLB on Windows","/how-to/open-glb-on-windows",{"os":14,"label":159,"to":160},"Open .GLB on Mac","/how-to/open-glb-on-mac",{"os":15,"label":162,"to":163},"Open .GLB on Linux","/how-to/open-glb-on-linux",{"os":16,"label":165,"to":166},"Open .GLB on iOS","/how-to/open-glb-on-ios",{"os":17,"label":168,"to":169},"Open .GLB on Android","/how-to/open-glb-on-android",[57,63,69],[60,61],[],"untrusted_source",[175,179],{"name":176,"description":177,"affiliateUrl":178},"Avast","Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.","https://www.avast.com/lp-aff-consumer-store?expid=inf601",{"name":180,"description":181,"affiliateUrl":182},"Norton","Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.","http://buy.norton.com/aff_home?utm_campaign=en-ww_nor_n36_aff_nas_nau_nah_cj_nad_low:_sec_nat_mktc_norton_360"]