Free Online GLB Viewer

View GLB and glTF files online - no upload, no sign-up, no install. Drag a file in and inspect it in 3D with orbit controls, wireframe mode, and mesh stats. Everything runs in your browser; your model never leaves your device.

Drop a .glb or .gltf file here

Rendered entirely in your browser. Your file is never uploaded to a server.

100% in-browser · no upload · no sign-up · supports .glb and self-contained .gltf · Draco compression supported

How to Open a GLB File Online

Drop your file

Drag a .glb or .gltf file into the viewer above, or click "Choose File". Binary GLB and embedded glTF both work, including Draco-compressed meshes.

Inspect in 3D

Orbit with the left mouse button, pan with the right, zoom with the scroll wheel. If the file contains animations, the first clip plays automatically.

Check the mesh

Toggle wireframe to review topology, and read the stats bar for triangle count, vertex count, materials, and file size - the numbers that matter for game engines and real-time use.

What Is a GLB File?

GLB is the binary form of glTF (GL Transmission Format), the open standard for 3D scenes maintained by the Khronos Group. A single .glb file packs geometry, PBR materials, textures, skeletons, and animations into one compact binary - which is why it has become the default interchange format for web 3D, AR, game engines, and AI 3D generators.

A .gltf file is the same format in JSON form: human-readable, with textures and buffers either embedded as base64 or referenced as separate files. GLB is what you ship; glTF is what you debug. This viewer opens both.

GLB files are everywhere in modern pipelines: Blender exports them natively, Unity and Unreal import them, e-commerce AR (like model-viewer and Quick Look conversion workflows) is built on them, and most AI 3D model generators deliver their output as GLB.

Most AI generators output GLB directly - see our guide to the AI 3D model generator landscape, or how to convert images to 3D models.

GLB vs glTF - Which One Do You Have?

	GLB	glTF
File extension	.glb - one binary file	.gltf - JSON, often with .bin + texture files alongside
Best for	Shipping: web, AR, game engines, marketplaces	Editing and debugging: readable JSON you can diff
Size	Smaller on disk, single request on the web	Larger unless assets are embedded (base64 adds ~33%)
In this viewer	Drop the .glb - done	Works if self-contained (embedded buffers); multi-file glTF should be exported as GLB first

Tip: Need to convert? In Blender: File → Import glTF 2.0, then File → Export glTF 2.0 and pick "glTF Binary (.glb)". That round-trip also consolidates external textures into the single file.

Private by Design

Most online 3D viewers upload your file to their servers to render a preview. This one does not: the file is parsed and rendered locally with WebGL, in your browser tab. Nothing is transmitted, stored, or logged - close the tab and the model is gone.

That makes it safe for client work, unreleased game assets, and anything under NDA. It also means there is no file-size cap beyond what your device can handle - large scenes just take longer to parse.

Frequently Asked Questions

How do I open a GLB file without installing software?

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Use this page: drag the .glb file into the viewer and it renders instantly in your browser with orbit controls, wireframe mode, and mesh statistics. No account, no upload, no install. For editing (not just viewing), Blender opens GLB files for free via File → Import → glTF 2.0.

Is this GLB viewer really free?

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Yes - free, no sign-up, no watermarks, no file limits. It is a utility we built on the rendering stack of 3D-Agent, our AI modeling tool for Blender. If you also want to generate models, that part is the paid product; the viewer is not.

Does my 3D model get uploaded to a server?

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No. The file is read and rendered entirely on your device using WebGL (three.js). Nothing leaves your browser, which makes the viewer safe for confidential or unreleased assets.

Can I view glTF files, or only GLB?

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Both. Self-contained .gltf files (with embedded buffers) work directly. If your glTF references separate .bin or texture files, export it as a single .glb first - in Blender that is File → Export → glTF 2.0 with format set to "glTF Binary".

Why does my GLB file fail to load?

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The most common causes are: a multi-file glTF renamed to .glb (re-export as binary instead), an export from a tool that wrote invalid glTF, or textures in unsupported formats. Re-exporting from Blender fixes most of these. Draco-compressed meshes are supported.

Can I view FBX, OBJ, or STL files here?

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Not in this tool - it is dedicated to GLB and glTF. The quickest path for other formats is importing them into Blender and exporting as GLB, which also gets you PBR-correct materials for the web.

How do I make my own GLB files with AI?

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AI 3D model generators output GLB directly from text prompts or images. 3D-Agent generates models inside Blender, so you can fix topology and materials before exporting a clean GLB. See our AI 3D model generator guide for the full workflow and tool landscape.

Need to Make GLB Models, Not Just View Them?

3D-Agent generates 3D models from plain-English prompts directly inside Blender - then you export clean GLB files with proper topology, materials, and textures.

—Text to 3D model, generated inside Blender
—Fix topology and materials before export
—Clean GLB output ready for engines, web, and AR

Free Account

Create a free account and download the app. Paid plans include monthly prompts for AI 3D generation in Blender.

Download 3D-Agent Book a Demo

How AI 3D model generators work →