lookup> .usdz

.USDZ·File Extension

USDZ 3D ModelApple's compressed 3D format for AR/Quick Look.

Extension.usdz
File typeUSDZ 3D Model
Category3D Model
Charset
CompressibleNo
Format familyusdz

What is a .usdz file?

A .usdz file is a USDZ 3D Model — Apple's compressed 3D format for AR/Quick Look.

In the mime-db registry it maps to model/vnd.usdz+zip, and it is marked as non-compressible. When serving .usdz over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to model/vnd.usdz+zip — and is delivered over HTTP via the Content-Type header.

  • Use Xcode or Reality Composer to open and edit .usdz files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

When served over HTTP, responses should set the following header:

Content-Type: model/vnd.usdz+zip

Common software that reads/writes .usdz:

XcodeReality Composer
.usdzextension of
format
usdzserved as
mime type
model/vnd.usdz+zipsent via header
http header
  • 3D printing
  • Game assets
  • CAD and design exchange
  • Open the file with Xcode, make your changes and save.
  • Most editors preserve the original formatting and encoding — avoid changing the charset.
  • Create a new file and save it with the .usdz extension, or export this format from Xcode.

What programs can open .usdz files?

Common options include Xcode, Reality Composer. You can also open many of these files with built-in viewers or a browser.

How do I create a .usdz file?

Create a new file in any text editor or the app that owns the format and save it with the .usdz extension.

What is the relationship between .usdz and the model/vnd.usdz+zip MIME type?

model/vnd.usdz+zip is the media type identifier used for .usdz files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-08-18

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