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← 3D Model Converter

Convert STL to USDZ online

Drop a .stl file to turn it into USDZ. You see the model in 3D before converting, and the file never leaves your device.

What is kept when converting STL to USDZ

Geometry
Kept
Materials
Not in STL
Textures
Not in STL
Animation
Not in STL
Scene hierarchy
Not in STL

About STL

Stereolithography

STL describes only the surface of a model as triangles — no colors, materials or textures. It is the default format for 3D printing and slicers.

About USDZ

Universal Scene Description

USDZ is a zipped Universal Scene Description package used for AR on iPhone and iPad (AR Quick Look). The viewer also opens .usda, .usdc and .usd.

How it works

  1. 01

    Drop the .stl file (with its textures or .bin/.mtl files, if any).

  2. 02

    Check the model in the 3D preview; USDZ is already selected.

  3. 03

    Click “Convert” and the .usdz file downloads.

Questions

Is the STL to USDZ converter free?+

Yes, without limits, sign-up or watermark.

Is my STL file uploaded?+

No. The STL file is read and converted in your browser; nothing is sent to a server.

Why are textures missing after converting STL?+

Textures stored as separate files must be selected together with the model. USDZ keeps them only if the format supports textures.

Convert STL to other formats

STL → GLBSTL → glTFSTL → OBJSTL → PLY

Convert other formats to USDZ

GLB → USDZglTF → USDZFBX → USDZOBJ → USDZPLY → USDZDAE → USDZ3MF → USDZ3DS → USDZVOX → USDZVRML → USDZ3DM → USDZAMF → USDZLWO → USDZKMZ → USDZMD2 → USDZVTK → USDZSVG → USDZ

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