Fast 3D

Free GLTF to STL Converter

Lightning-fast GLTF to STL 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 GLTF or any other format in one workflow.

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GLTF vs STL

See what transfers when converting between these two formats.

Converting GLTF to STL will lose: Textures, Materials, Animation, Rigging.

FeatureGLTFSTL
Geometry
Textures
Materials
Animation
Rigging

Other conversions from GLTF

GLB

GLTF → GLB

Binary glTF, the most common modern 3D format

OBJ

GLTF → OBJ

Wavefront OBJ, widely supported geometry format

PLY

GLTF → PLY

Polygon File Format, common in 3D scanning

Other conversions to STL

GLB

GLB → STL

Binary glTF, the most common modern 3D format

OBJ

OBJ → STL

Wavefront OBJ, widely supported geometry format

FBX

FBX → STL

Autodesk FBX, popular in animation pipelines (input only)

PLY

PLY → STL

Polygon File Format, common in 3D scanning

GLTF → STL

Frequently Asked Questions