Fast 3D

Free STL to GLB Converter

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

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

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STL vs GLB

See what transfers when converting between these two formats.

FeatureSTLGLB
Geometry
Textures
Materials
Animation
Rigging

All features supported by STL are preserved in GLB.

Other conversions from STL

GLTF

STL → GLTF

JSON-based glTF, human-readable

OBJ

STL → OBJ

Wavefront OBJ, widely supported geometry format

PLY

STL → 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

FBX

FBX → GLB

Autodesk FBX, popular in animation pipelines (input only)

PLY

PLY → GLB

Polygon File Format, common in 3D scanning

STL → GLB

Frequently Asked Questions