Convert GLB to GLTF Online Free

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Upload your GLB file and get a clean GLTF file back — free, instant, and no software to install.

Why Convert GLB to GLTF?

glTF is purpose-built for the web and real-time engines, giving you smaller file sizes and faster load times for AR, VR, and browser-based 3D viewers.

Whether you're preparing assets for web, AR, and real-time delivery or just need a format your current tool will accept, converting from GLB to GLTF takes the compatibility guesswork out of your workflow.

Source Format

.GLB — Binary glTF

Binary glTF is the compact, single-file binary version of glTF, ideal for shipping models over the web.

Commonly used in: Web AR (model-viewer), mobile apps, and modern game engines

Target Format

.GLTF — GL Transmission Format

GL Transmission Format is a modern, JSON-based format built for fast loading and real-time rendering on the web.

Commonly used in: Three.js, Babylon.js, WebXR, AR/VR apps, and Sketchfab

How to Convert GLB to GLTF

Upload Your GLB File

Drag and drop or browse to select your GLB file. Max file size is 200MB.

Select GLTF as Output

GLTF is pre-selected for you automatically on the converter page.

Download Your GLTF File

Click convert and download your file in seconds. Files auto-delete after 1 hour.

Common Use Cases

Preparing GLB assets for import into tools that only accept GLTF
Cleaning up geometry and materials while switching to a more compatible format
Moving models between compact web and mobile delivery and web, AR, and real-time delivery workflows
Sharing a GLTF file with a collaborator whose software doesn't support GLB

Frequently Asked Questions

Upload your GLB file to Convert3D, choose GLTF as the output format, and click Convert. Your GLTF file will be ready to download within seconds.

Yes. Convert3D converts GLB to GLTF for free with no signup, no watermark, and no conversion limits.

Convert3D preserves geometry, materials, and embedded textures wherever the GLTF format supports them. Some attributes may not carry over if GLTF does not support that data type.

The maximum file size for conversion is 200MB.

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