Fast 3D

Free OBJ to GLB Converter

Lightning-fast OBJ 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.

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

GLBGLTFOBJSTLFBXPLY

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Fast3D AI

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

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OBJ vs GLB

See what transfers when converting between these two formats.

FeatureOBJGLB
Geometry
Textures
Materials
Animation
Rigging

All features supported by OBJ are preserved in GLB.

Other conversions from OBJ

GLTF

OBJ → GLTF

JSON-based glTF, human-readable

STL

OBJ → STL

Stereolithography, the standard for 3D printing

PLY

OBJ → PLY

Polygon File Format, common in 3D scanning

Other conversions to GLB

GLTF

GLTF → GLB

JSON-based glTF, human-readable

STL

STL → GLB

Stereolithography, the standard for 3D printing

FBX

FBX → GLB

Autodesk FBX, popular in animation pipelines (input only)

PLY

PLY → GLB

Polygon File Format, common in 3D scanning

OBJ → GLB

Frequently Asked Questions