Converters · glTF → STL
glTF to STL Converter
Free, private, in your browser. Convert glTF to STL — no signup, no upload.
Unlike online converters that upload to a server, your file never leaves your browser.
Drop your 3D file here
or click to browse — .gltf files up to 200 MB
When you need this
You have a glTF model — from an AI generator, a web export, or a glTF asset library — but your slicer (Bambu Studio, PrusaSlicer, Cura) only takes STL. Drop the glTF above and get a print-ready STL, geometry intact.
glTF to STL — FAQ
Does the STL keep colors or textures?
No — STL stores bare geometry only, so glTF’s PBR materials and textures can’t carry over. For multi-color printing, export to 3MF instead.
My .gltf has separate .bin and texture files — will it convert?
A self-contained .gltf (or a .glb) converts directly. A .gltf that references external .bin or texture files may not resolve them in-browser — export it as GLB first, then convert.
Is the output watertight?
Geometry is preserved as-is. If the mesh has holes or non-manifold edges your slicer rejects, run the STL through our free STL Repair tool afterward.