Fast 3D

Free STL to GLTF Converter

Lightning-fast STL to GLTF 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 GLTF

See what transfers when converting between these two formats.

FeatureSTLGLTF
Geometry
Textures
Materials
Animation
Rigging

All features supported by STL are preserved in GLTF.

Other conversions from STL

GLB

STL → GLB

Binary glTF, the most common modern 3D format

OBJ

STL → OBJ

Wavefront OBJ, widely supported geometry format

PLY

STL → PLY

Polygon File Format, common in 3D scanning

Other conversions to GLTF

GLB

GLB → GLTF

Binary glTF, the most common modern 3D format

OBJ

OBJ → GLTF

Wavefront OBJ, widely supported geometry format

FBX

FBX → GLTF

Autodesk FBX, popular in animation pipelines (input only)

PLY

PLY → GLTF

Polygon File Format, common in 3D scanning

STL → GLTF

Frequently Asked Questions