Will the character still animate after FBX becomes GLB?

Yes — skeletons and animation clips are first-class glTF data, so walk cycles and actions carry over and play in three.js, Unity glTF importers and most viewers. The conversion is the standard route for putting studio-rigged characters on the web.

Why is the GLB output smaller than the FBX I put in?

FBX files commonly carry duplicated history, unused takes and uncompressed media. The GLB writer keeps what the scene uses and compresses textures, so trimmed pipelines often halve the size. If the output is unexpectedly large, the usual culprit is embedded high-res textures.

Do I need to install software to change FBX into GLB?

No. The whole conversion runs as a web page: the FBX file is parsed by your browser, rewritten to GLB locally, and handed back as a download. There is no installer, no plugin and no desktop app in the loop.

Where does the finished GLB file work best?

converterMatrix.formats.glb.handoff

What happens to no feature gaps at all on the way from FBX to GLB?

Nothing is lost on this route — the GLB format can express everything the FBX file contains, so the conversion is a faithful rewrite rather than a simplification.

Will the model look different after FBX → GLB?

Geometry is re-exported as-is, so shape, scale and UV layout stay faithful. The only visible changes come from features the GLB format cannot express — those parts of the material or setup are simplified to whatever GLB can store.

FBX → GLB FBX to GLB Converter — Online & Free

Change a FBX model into GLB in one pass, then see exactly what the new file keeps, flattens or drops before you download it.

Upload 3D Model

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

Click or drag to upload

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

GLBGLTFOBJSTLFBXPLY

3D Preview

No model loaded

Upload a 3D model to preview and translate it

Kept

Mesh, skeleton, animation clips, materials and embeddable textures — everything the rig needs

Lost

Only FBX-specific extras with no glTF equivalent (some custom constraint setups; blend shapes map partially)

Use for

Publishing rigged characters and animated props to web viewers, AR and engine import pipelines

Using the GLB file afterwards

Load in three.js or model-viewer with animations ready to trigger, import to Unity/Unreal via glTF packages, or attach to an AR quick-look flow

This is the classic animation-pipeline exit: a rigged, animated FBX from Maya or 3ds Max becomes a single browser-ready GLB with the skeleton and clips intact. Textures that arrived embedded in the FBX are inlined; the heavy Autodesk packaging is replaced by a compact file any web runtime, engine importer or AR viewer accepts directly.

What changes in the file

1
Externally referenced FBX textures (paths pointing at the artist's drive) cannot be found at conversion time — export with embedded media first
2
Very long animation timelines convert fine but grow the file; trim unused takes before converting when you can
3
Morph/blend-shape targets survive for most character rigs, but verify facial setups in the preview before shipping

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.

Generate from text Generate from image

Runs in your browser · Free daily generations · GLB output

More ways out of FBX

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

Other routes into GLB

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

Every conversion route

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

FAQ