GLBKit

GLTF Model Viewer

Open and inspect gltf files directly in your browser. No installation.
Load referenced .bin and texture files when prompted.

Drop your GLTF file here

Upload a GLTF file or ZIP package with its supporting assets.

GLTFZIP

Why Developers Choose GLBKit for glTF

GLBKit inspects glTF 2.0 JSON scenes together with their referenced .bin buffers and texture files. Parsing and rendering happen in the browser, so you can review editable glTF sources before baking them into a single .glb for delivery.

Browser Based glTF

Open glTF files directly in your browser without installing software.

Local File Processing

Process compatible glTF files locally on your device.

Fast WebGL Rendering

Render glTF scenes with GPU-accelerated WebGL.

Interactive 3D Inspection

Rotate, zoom, pan, and inspect the model and its scene.

No Server Upload

Inspect glTF assets without sending them to a remote server.

External Asset Aware

Load .bin buffers and texture files alongside the glTF.

About this format

GLTF (Graphics Language Transmission Format) is the open standard for 3D on the web. A .gltf file is a JSON document that references geometry, animations, and textures stored in sibling .bin and image files. GLBKit renders .gltf files in the browser, so you can inspect the editable source of a glTF asset before you bake it into a single .glb for delivery.

What is a .gltf file?

.gltf is the text form of glTF 2.0. The main file is JSON that describes the scene graph, meshes, materials, skins, and animations. It points to a .bin file for raw geometry buffers and to image files for textures.

Because the data is split across files, .gltf is ideal for editing and source control. The compiled, single-file equivalent is .glb.

  • JSON-based scene description
  • References a .bin file for buffers and image files for textures
  • Open glTF 2.0 standard maintained by the Khronos Group
  • Preferred for editable source assets; .glb is preferred for delivery

Common uses for GLTF files

GLTF is used wherever real-time 3D appears on the web. It is the lingua franca for 3D on the open web, in AR, and across game engines.

  • Web 3D, AR try-on, and product configurators
  • Game asset import and export (Unity, Unreal, Godot, three.js)
  • Marketing demos, virtual production, and training
  • Source assets that get baked into .glb for production

How GLBKit renders .gltf files

Drop a .gltf file into GLBKit. The viewer parses the JSON, fetches the .bin and texture files you select, and renders the scene with WebGL. For a single-file experience, convert the .gltf to .glb and use the GLB viewer.

  • Drop the .gltf file to start; add the .bin and textures when prompted
  • Orbit, pan, and zoom with mouse, touch, or pen
  • Full PBR material and animation support
  • No upload, no signup, fully local processing

GLBKit capabilities for .gltf

GLBKit is a viewer, not an editor. Use it to verify geometry, materials, animations, and skin weights before you ship.

  • PBR material and texture rendering
  • Skeletal animation and morph-target playback
  • Skin and rigged model inspection
  • Frame-by-frame animation scrubbing

Who uses GLBKit for .gltf files

GLBKit for .gltf is for anyone who needs to confirm that an exported glTF asset looks right before it is converted to .glb or pushed to a runtime.

  • 3D artists validating glTF exports from DCC tools
  • Web and game developers debugging asset pipelines
  • QA teams checking animation and skinning
  • Educators and students learning the glTF format

Open your .gltf file now

Drop a .gltf file and its .bin and texture references into the viewer. Inspect geometry, materials, and animations in seconds.

Related viewers

GLB Viewer

Open a single-file binary glTF asset with geometry, textures, and animations packed in one container.

FBX Viewer

Inspect FBX assets from Maya, Blender, or 3ds Max with the same orbit and pan controls.

OBJ Viewer

Open classic Wavefront OBJ geometry plus its .mtl material file in the browser.

3D Model Viewer

Switch between any supported format in a single universal viewer.

Related guides

How to use a 3D model viewer

A practical walkthrough covering drag-and-drop, orbit controls, and exporting a clean screenshot of any supported format.

How to use the GLB viewer

Step-by-step guide to opening, inspecting, and capturing screenshots of GLB files in GLBKit.

GLB vs glTF

Side-by-side comparison of the binary and JSON forms of glTF, and when to use each one.

GLB vs OBJ

How glTF 2.0 / GLB compares to the classic Wavefront OBJ format for web and game delivery.

Frequently Asked Questions

Common questions about opening and inspecting glTF scenes and their referenced assets.