STL → FBX

Convert STL to FBX

Convert STL files to FBX in seconds. Geometry, UVs and materials are carried over where FBX supports them, and the model lands the right way up.

  • Geometry, UVs and materials kept where supported
  • Correct orientation and scale
  • Runs on your computer: nothing is uploaded
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Drop an STL file or
Files stay on your computer.
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How to convert STL to FBX

  1. Add your STL file

    Drop it on the converter above or click browse. It opens in your browser, so nothing is uploaded.

  2. Check the format is FBX

    FBX is already selected. You can switch to any other output from the menu.

  3. Convert and download

    Click Convert and your FBX file is ready in seconds. Download it straight away.

What is STL?

STL describes a surface as a list of triangles, with no colour, material or unit information. It is the default file for 3D printing and is exported by almost every CAD and modelling program.

Full name
Stereolithography
Type
Triangle mesh
Used in
Cura, PrusaSlicer, Bambu Studio, Blender, Fusion 360, SolidWorks
Strength
Universal support in 3D printing software.
Limits
Only triangles: no colours, no materials, no units, no editable CAD features.
More about STL

What is FBX?

FBX is Autodesk's scene format for games and animation. It carries meshes, materials, hierarchies and animation, and it is the usual way to bring models into Unity and Unreal Engine.

Full name
Filmbox (Autodesk)
Type
3D scene (meshes, materials)
Used in
Unity, Unreal Engine, Maya, 3ds Max, Blender, MotionBuilder
Strength
The default import format for game engines.
Limits
Closed specification; versions differ between programs.
More about FBX

Related conversions

STL → STEPSTL → STPSTL → IGESSTL → BREPSTL → OBJSTL → GLBSTEP → FBXSTP → FBXIGES → FBXOBJ → FBXGLB → FBXglTF → FBX

Questions

Are materials and textures kept?

Colours and texture coordinates are carried over when FBX supports them. Texture images are kept for formats that can hold them.

Will my model be upside down?

No. STL and FBX may use different "up" directions, and we rotate the model so it stands the same way in your software.

Are my files uploaded?

No. The conversion runs inside your browser.