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Polyforge

Free · Browser-side · No sign-up

Convert OBJ to USDZ Online

Convert Wavefront OBJ files to Universal Scene Description (USDZ), 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
OBJUSDZ

Drop your OBJ files here

Select your .obj file along with its .mtl and texture files (up to 100 MB)

Suzanne 3D model preview
Try with a sample modelSuzanneSuzanne by Polyforge · CC0 1.0 Universal

Suzanne with baked texture — demonstrates OBJ + MTL + texture conversion.

$ apple ar quick look

USDZ is the native format for AR Quick Look on iPhone, iPad, and Apple Vision Pro. Converting from OBJ lets users preview your models in augmented reality with a single tap.

$ pbr materials

OBJ is limited to legacy Phong shading via .mtl files. USDZ uses the UsdPreviewSurface material model, supporting physically based rendering for realistic lighting in AR scenes.

$ single file package

OBJ splits data across .obj, .mtl, and texture files. USDZ bundles geometry, materials, and textures into one uncompressed ZIP archive that is easy to share and embed.

── OBJ → USDZ ──

How to Convert OBJ to USDZ

Upload your .obj, .mtl, and textures together for a complete conversion.

01

Upload OBJ + Materials

Drag and drop your .obj file along with its companion .mtl file and any referenced texture images. Including all source files ensures materials and textures carry over to the USDZ output.

02

Processing

Conversion runs entirely in your browser. Geometry, materials, and textures from your OBJ bundle are parsed and packaged into a USDZ archive with no data sent to any server.

03

Download USDZ

Get your ready to use USDZ file immediately. Open it on any Apple device to preview your model in AR Quick Look, or embed it on a webpage for iOS and visionOS visitors.

$ why_convert

Why convert OBJ to USDZ?

OBJ is a widely supported ASCII format from Wavefront Technologies, but it was designed in the early 1990s before augmented reality existed. It stores flat geometry with Phong materials in separate .mtl files, has no concept of scene hierarchy or animation, and its multi file nature makes it impractical for sharing on mobile devices or embedding in web pages for AR viewing.

USDZ was introduced by Apple and Pixar in 2018 as a streamlined package format for AR content. It wraps a USD scene, PBR materials (via UsdPreviewSurface), and texture images into a single uncompressed ZIP archive. Apple devices can memory map USDZ files for fast loading without decompression overhead. AR Quick Look on iOS, iPadOS, and visionOS opens USDZ files natively, letting users place and interact with 3D objects in their physical environment. Converting OBJ to USDZ transforms static legacy models into AR ready assets that work across the Apple ecosystem.

Key advantages of USDZ over OBJ

Native Apple AR support

USDZ is the required format for AR Quick Look on iPhone, iPad, and Apple Vision Pro.

PBR material model

UsdPreviewSurface provides physically based rendering, replacing OBJ's legacy Phong shading.

Single shareable file

Geometry, materials, and textures are bundled in one archive instead of OBJ's multi file layout.

Memory mapped loading

The uncompressed archive format allows Apple devices to load content without decompression delays.

Web embeddable for AR

USDZ files can be linked on webpages so iOS visitors launch AR previews directly from Safari.

Pixar USD foundation

USDZ is built on Pixar's Universal Scene Description, the same framework used in film production.

Scene hierarchy support

USDZ supports node trees, transform hierarchies, and variant sets that OBJ cannot express.