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Polyforge

Free · Browser-side · No sign-up

Convert USDZ to STL Online

Convert Universal Scene Description (USDZ) files to STereoLithography (STL), entirely in your browser. No upload, no sign-up. Your files never leave your device.

No sign-up required 100% client-side Up to 100 MB
USDZSTL

Drop your USDZ file here

or click to browse from your computer (up to 100 MB)

Potion Bottle 3D model preview
Try with a sample modelPotion BottlePotion Bottle by Polyforge · CC0 1.0 Universal

Decorative potion bottle with glass body, gold trim bands, and cork stopper — multi-material USDZ model for format conversion testing.

$ 3d print ready

STL is the standard input format for 3D printers and slicing software. Converting your USDZ model to STL lets you send it straight to a printer without intermediate steps.

$ pure triangle mesh

STL represents surfaces as a collection of triangles with vertex positions and face normals. This simplicity ensures every slicer and CAM tool can process the file reliably.

$ compact output

STL files contain only geometry, no materials, textures, or animation data. This produces small, focused files that are fast to transfer and load in manufacturing software.

── USDZ → STL ──

How to Convert USDZ to STL

Upload your USDZ file and get a ready to use STL in seconds.

01

Upload USDZ

Drag and drop or select your .usdz file. USDZ is a self-contained archive, so a single file is all you need.

02

Processing

Conversion runs entirely in your browser. The USDZ archive is unpacked, and all mesh geometry is extracted and written as a binary STL file. Your data never leaves your device.

03

Download STL

Get your STL file immediately. Open it in your preferred slicer, send it to a 3D printer, or import it into CAD software for further editing.

$ why_convert

Why convert USDZ to STL?

USDZ was introduced by Apple and Pixar in 2018 for augmented reality on Apple devices. It bundles a full scene description with PBR materials, textures, and animations into a single archive. While this richness is ideal for AR Quick Look on iPhone, iPad, and Apple Vision Pro, it is unnecessary for manufacturing workflows. 3D printers and CNC machines need only the raw surface geometry, and most slicing software does not recognize USDZ as an input format.

STL, created by 3D Systems in 1987, has been the dominant file format in additive manufacturing for nearly four decades. It represents a model as a simple list of triangles, stripping away materials, colors, and scene data. Every 3D printer, slicer application, and CAM tool on the market supports STL natively. Converting USDZ to STL extracts the printable geometry from an AR-oriented file and delivers it in the format that manufacturing tools expect.

Key advantages of STL over USDZ

3D printing standard

STL is accepted by every 3D printer and slicing application on the market.

Simple triangle format

The format stores only triangles and normals, eliminating complexity that manufacturing tools do not need.

Tiny file size

Without textures or materials, STL files are significantly smaller than the equivalent USDZ archives.

CAD tool compatible

SolidWorks, Fusion 360, FreeCAD, and other CAD applications import STL for inspection and modification.

Fast processing

Slicers load and process STL files quickly because there is no material or animation data to parse.

Decades of stability

The STL specification has not changed since 1987, guaranteeing long-term compatibility with any tool.