GLTF to GLB Converter

GLTF to GLB Converter

Pack your text-based glTF (.gltf + .bin + textures) into a single binary GLB file. Embed all textures and assets in one compact container for web delivery, CDN hosting, e-commerce product viewers, and AR Quick Look. No software installation required.

Drag & drop your GLTF or ZIP file here

or click to browse (Max 50MB for free users)

Supported: .gltf or .zip (containing gltf + bin/textures)

Why Convert GLTF to GLB?

glTF text format is great for authoring. GLB binary is great for delivery. Pack everything into one file for instant web deployment.

Single File Delivery

GLB packs .gltf JSON, .bin geometry buffers, and all texture images into one self-contained binary. No more managing scattered asset files, share one file.

CDN Optimization

Single binary files load faster from CDNs with fewer HTTP requests. Binary encoding reduces file size by 15-30% versus equivalent JSON-based glTF.

E-Commerce Ready

GLB is the standard for Shopify 3D product viewers, Amazon product listings, and Google Model Viewer. Convert your glTF assets to GLB for online storefronts.

Texture Embedding

All texture images are embedded directly into the GLB binary buffer. No more broken texture links when moving files between folders or systems.

About GLTF to GLB Conversion

Why convert GLTF to GLB?

glTF (GL Transmission Format) is available in two flavors: text-based (.gltf with separate .bin and texture files) and binary (.glb, a single-file container). While text glTF is great for authoring and debugging, GLB is the de facto delivery format — supported by Google Model Viewer, three.js, Babylon.js, Apple AR Quick Look, Facebook 3D Posts, and every major 3D platform. Converting to GLB simplifies asset management and guarantees fast, reliable loading.

What is preserved during conversion?

The entire glTF scene is preserved 1:1 mesh geometry, PBR materials (metallic-roughness workflow), all texture images, animations, morph targets, skeletal rigs, skinning data, node hierarchy, cameras, and lights. The binary GLB file is structurally identical to the source glTF, just packaged efficiently. All KHR extensions present in the source are carried through to the GLB output.

How to use the converted GLB file

The GLB file can be loaded directly into three.js, Babylon.js, Google Model Viewer, Apple AR Quick Look, Android Scene Viewer, Unity, Unreal Engine, Godot, Blender, and any glTF 2.0 compatible viewer. For web deployment, host the GLB on a CDN and reference it from your HTML using the model-viewer web component or a three.js GLTFLoader. No separate texture or data files needed.

How to Convert GLTF to GLB

Three simple steps to pack your multi-file glTF into a single binary GLB container.

1

Upload Your GLTF File

Drag and drop your .gltf file, or zip your .gltf + .bin + textures folder and upload the .zip. Our engine auto-detects and reads associated files. Free tier: up to 50MB.

2

Pack to GLB

Our cloud engine reads the glTF scene graph, merges the .bin buffer and all texture images into a single binary GLB container. Everything is embedded, no external file dependencies.

3

Download & Deploy

Download your self-contained GLB file and upload to your CDN, Shopify store, or web application. One file, zero dependencies. Auto-deleted from our servers within 1 hour.

Related Converters

Working with glTF/GLB files? These converters complete your web 3D pipeline.

FBX to GLTF
Convert Autodesk FBX to glTF for web, mobile AR, and real-time engines.
OBJ to GLTF
Convert OBJ meshes to glTF with PBR materials and Draco compression.
GLB to OBJ
Extract meshes from GLB containers and convert to editable OBJ format.
GLTF to FBX
Convert glTF to Autodesk FBX for Unreal Engine and Maya pipelines.
USD to GLTF
Convert Pixar USD scenes to glTF for web and real-time rendering.
FAQ

Frequently Asked Questions

glTF (JSON-based) is a multi-file format a .gltf scene descriptor, a .bin vertex/index buffer, and separate texture images. GLB (GLTF Binary) is the single-file version everything packed into one contiguous binary with a 12-byte header, JSON chunk, and binary buffer chunk. GLB is 15-30% smaller, loads faster with fewer HTTP requests, and is the standard for e-commerce, CDN delivery, and AR/VR deployment.
Yes. You can convert up to 3 files per day for free with files up to 50MB each. For unlimited conversions, 500MB files, and batch processing, upgrade to Pro.
No. GLB is a lossless packaging of glTF all geometry, textures, materials, animations, and extensions are preserved exactly. The only difference is the container format: multi-file JSON vs. single-file binary. Content is identical.
Yes. Upload a .zip containing your .gltf file, .bin buffer, and textures folder, and we'll auto-detect, read, and pack everything into a single GLB. This is the most common workflow for converting downloaded glTF models.
Use text glTF (.gltf) during authoring and debugging the JSON is human-readable and the separate files are easy to inspect. Use binary GLB for delivery single-file, compact, and ready for web, CDN, e-commerce, and AR deployment. Most platforms (Shopify, Google, Apple) require GLB specifically.
Absolutely. All uploads use TLS 1.3 encryption. Files are processed in isolated cloud environments and auto-deleted within 1 hour. Read our Privacy Policy for full details.
Free users: 50MB (including associated .bin and textures). Basic: 100MB. Pro: 500MB. Team: 1GB. The output GLB will typically be 15-30% smaller than the combined source files.