Why do most AI 3D generators hand back a GLB file?

A generated asset has to arrive complete — geometry, textures, sometimes a rig — or it is not usable. GLB is the one format that packs all of that into a single file with no sidecar images to lose, so generation services default to it. If your next tool cannot read GLB, converting it here takes seconds.

Can I open a GLB and edit its contents by hand?

Not meaningfully — GLB is a binary container. Convert it to GLTF and the same scene becomes a readable JSON document plus separate buffers, which you can inspect, patch or diff. For visual edits, any DCC tool imports GLB directly.

Which engines load GLB without third-party plugins?

Godot imports GLB out of the box, and Unreal has had native glTF import since 4.26. Unity reads it through first-party importer packages. Web runtimes — three.js, Babylon.js, model-viewer — all load it natively, which is why GLB dominates browser-based 3D.

Do animation clips survive when a GLB moves to another format?

Only when the destination can express them. GLTF keeps skeletons and clips one-to-one. OBJ, STL and PLY have no concept of animation, so converting into those yields the mesh in its rest pose — plan to re-rig or bake if the motion matters.

How can I tell what is inside a GLB before converting it?

Drop it into the preview on this page and orbit the model to check geometry and textures. If you need to see the node graph, convert to GLTF and open the .gltf in any text editor — the whole scene description is right there.

GLB Converter — Free, In-Browser

Open a GLB model, preview it, and send it to any of the five output formats — with a clear note of what each destination keeps.

Upload 3D Model

Drag and drop or click to upload. Translation runs locally in your browser.

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Reads GLB, GLTF, OBJ, STL, FBX, PLY

GLBGLTFOBJSTLFBXPLY

3D Preview

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Kept

Everything the format holds — mesh, PBR materials, embedded textures, and any animation clips

Lost

Nothing inherently; losses only appear when the target format is simpler than GLB

Use for

GLB is the default output of AI 3D generators and the safest single-file hand-off for web, AR and engine work

About the GLB format

GLB is what most modern pipelines hand you at the end: a single binary that already contains the mesh, the PBR materials, every baked texture and — when relevant — the animation rig. Because nothing is referenced externally, a GLB travels as one attachment and opens the same way everywhere. That convenience has a flip side: the file is opaque, so the moment you need to patch a path, strip a node or feed a tool that predates glTF, the asset has to be re-exported into something else.

Need the model itself?

Skip the search — generate a GLB model with AI

If you don't have a {target} file yet, 3D AI builds one from a text prompt or a reference photo and exports it ready for your pipeline. Free daily quota, no credit card.

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Runs in your browser · Free daily generations · GLB output

Take GLB to another format

One click pre-loads the converter with GLB as the source and your chosen target locked in.

GLB → GLTF GLB → OBJ GLB → STL GLB → PLY

Routes that produce GLB

Already working in another format? These paths land on GLB.

GLTF → GLB OBJ → GLB STL → GLB FBX → GLB PLY → GLB

Where {fromName} files come from

AI 3D generation platforms — text-to-3D and image-to-3D services (3D AI included) return finished assets as GLB precisely because it needs no assembly step
Blender's glTF 2.0 add-on, which ships enabled by default and exports a scene to GLB in two clicks
E-commerce and product-visualisation pipelines that bake a configurator model down to one downloadable file

Where {fromName} files go next

Web pages: hand the file to a <model-viewer> tag or a three.js loader and it renders with materials and animations intact
AR: iOS Quick Look and Android Scene Viewer both treat GLB as their native preview format
Further conversion: when a slicer or an older DCC tool rejects GLB, run it through GLB→OBJ or GLB→STL here first

Every conversion route

Per-format pages and all 25 format-to-format paths — each one pre-configures the converter for that exact job.

FAQ