STL Converter/convert/glb-to-stl
Browser converter·no upload

GLB to STL, in your browser.

Drop a .glb file — packaged glTF with embedded textures — and pull out a printable STL.

viewer● live
drop a file to preview
Drop your .glb / .gltf file
or click to browse · local only
Output format

100% local · file never leaves your browser

// about

GLBSTL: what changes.

GLB packages a glTF scene, its meshes, textures and animations into a single binary file. It's the format of the web: AR Quick Look, Sketchfab, Babylon.js, Three.js all read it natively.

STL is geometry-only. We flatten the GLB scene graph, weld the meshes together, and write the triangles. Textures, animations and PBR materials are dropped.

Fully private

The file is parsed in WebAssembly + WebGL on your device. Nothing leaves.

Instant

No queue, no upload. Most files convert in well under a second.

Inspect before download

Orbit, pan and zoom the result in real time before you commit.

// faq

Frequently asked

Does it work with .gltf files too?

GLB (binary) is supported here. For .gltf with external buffers, package it into GLB first in your DCC tool.

Are animations preserved?

No — STL is a static mesh format. Export the rest pose to GLB before conversion.

Why is the model orientation different?

glTF uses Y-up by convention; some slicers expect Z-up. Use your slicer's orient button to fix it.