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Polyforge

Free · Browser-side · No sign-up

Convert GLTF to USDZ Online

Convert GL Transmission Format (glTF) 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
GLTFUSDZ

Drop your GLTF files here

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

Car 3D model preview
Try with a sample modelCarCar by Polyforge · CC0 1.0 Universal

Detailed car model with PBR materials in glTF JSON format.

$ apple ar quick look

USDZ is the native format for AR Quick Look on iPhone, iPad, and Apple Vision Pro. Converting from glTF lets users view your 3D models in augmented reality directly from Safari with no app required.

$ apple ecosystem integration

USDZ works across iOS, iPadOS, macOS, and visionOS. Models can be embedded in web pages, Messages, Mail, and Keynote presentations for instant 3D preview on any Apple device.

$ pbr material mapping

glTF PBR material properties, including base color, metallic, roughness, and normal maps, are translated to USD material definitions that render accurately in Apple AR viewers and RealityKit.

── GLTF → USDZ ──

How to Convert GLTF to USDZ

Bring your glTF models into augmented reality on Apple devices.

01

Upload glTF

Drag and drop or select your .gltf file along with its associated .bin and texture files. All referenced assets are needed for a complete AR ready conversion.

02

Processing

Conversion runs entirely in your browser. Meshes, textures, and PBR materials are packaged into the USDZ container format optimized for Apple AR Quick Look. Your data never leaves your device.

03

Download USDZ

Get your ready to use .usdz file. Share it on the web, embed it in a page, or send it directly to an iPhone or iPad for instant AR preview.

$ why_convert

Why convert glTF to USDZ?

glTF 2.0 is the Khronos Group open standard for efficient 3D content delivery across web browsers, game engines, and AR frameworks. It uses a JSON scene graph with external binary buffers and supports PBR materials, animations, and scene hierarchies. While glTF enjoys broad support on Android and web platforms, Apple devices use USDZ as their native 3D and AR format. To reach the hundreds of millions of iPhone, iPad, and Vision Pro users with interactive 3D content, converting to USDZ is essential.

USDZ, developed by Apple and Pixar and released in 2018, is an uncompressed ZIP archive containing USD scene data and associated textures. It is designed for memory mapped reading, which allows Apple devices to load and render models with minimal processing overhead. USDZ powers AR Quick Look, the system level feature that lets users view 3D objects in augmented reality directly from Safari, Messages, Mail, and other apps. Converting glTF to USDZ translates PBR materials into USD shading networks and packages everything into the single file container that Apple platforms expect, enabling seamless AR experiences without requiring users to install any additional software.

Key advantages of USDZ over glTF

Native Apple AR support

USDZ is the only format supported by AR Quick Look on iOS, iPadOS, and visionOS.

No app installation needed

Users tap a link and instantly preview the model in 3D or AR directly in Safari.

Memory mapped loading

The uncompressed archive format allows Apple devices to read model data directly without decompression overhead.

Deep OS integration

USDZ files can be previewed in Messages, Mail, Files, Keynote, and other built in Apple apps.

Vision Pro ready

USDZ is the standard format for spatial content on Apple Vision Pro and visionOS applications.

Pixar USD foundation

USDZ builds on Pixar Universal Scene Description, a production proven scene format used across the film industry.

Single file packaging

All textures and scene data are bundled into one file, eliminating broken references during distribution.