Fast 3D

Free FBX to GLB Converter

Lightning-fast FBX to GLB conversion — 100% in your browser. Your files never leave your device. Free, no watermark, no sign-up.

Upload 3D Model

Drag and drop or click to upload. Files are processed locally in your browser.

Click or drag to upload

Supports GLB, GLTF, OBJ, STL, FBX, PLY

GLBGLTFOBJSTLFBXPLY

3D Preview

No model loaded

Upload a 3D model to preview and convert it

Fast3D AI

No FBX file? Generate one with AI.

Skip the search — generate a model from text or an image, then convert it to FBX or any other format in one workflow.

Generate → convert — all on fast3d.org.

Text to 3DImage to 3D

FBX vs GLB

See what transfers when converting between these two formats.

FeatureFBXGLB
Geometry
Textures
Materials
Animation
Rigging

All features supported by FBX are preserved in GLB.

Other conversions from FBX

GLTF

FBX → GLTF

JSON-based glTF, human-readable

OBJ

FBX → OBJ

Wavefront OBJ, widely supported geometry format

STL

FBX → STL

Stereolithography, the standard for 3D printing

PLY

FBX → PLY

Polygon File Format, common in 3D scanning

Other conversions to GLB

GLTF

GLTF → GLB

JSON-based glTF, human-readable

OBJ

OBJ → GLB

Wavefront OBJ, widely supported geometry format

STL

STL → GLB

Stereolithography, the standard for 3D printing

PLY

PLY → GLB

Polygon File Format, common in 3D scanning

FBX → GLB

Frequently Asked Questions