Convert OBJ to USDZ

Convert OBJ files to USDZ locally, completely free and with maximum privacy.

Drag and drop your files here

or click to browse local files (large files supported, limited only by browser RAM)

Upload Files

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How to convert OBJ to USDZ

  1. Drop your .obj files above, or click Upload Files. You can add many files at once.
  2. USDZ is already selected as the output. Open the settings (gear icon) to fine-tune the result.
  3. Click Convert All. Assimp and three.js runs inside your browser through WebAssembly; nothing is uploaded.
  4. Download your .usdz files as soon as each one finishes.

What to know about OBJ to USDZ conversion

  • Geometry, materials and embedded textures are preserved in the USDZ output when the source contains them.

OBJ vs USDZ

FeatureOBJ (Wavefront OBJ)USDZ (Universal Scene Description (Zip))
Materials and texturesYesYes
Animation and riggingNoYes
Best forstatic meshes that open in every 3D toolAR Quick Look on iPhone and iPad
Opens inevery 3D modeling applicationiOS, iPadOS, macOS and Reality Composer

OBJ (Wavefront OBJ): A simple, universally supported text-based 3D geometry format.

USDZ (Universal Scene Description (Zip)): Apple's AR Quick Look format based on Pixar USD, viewable natively on iPhone and iPad.

Conversion options

  • Custom output file name

Frequently asked questions

Is it safe to convert OBJ to USDZ here?

Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.

Is there a file size limit?

There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.

Can I convert several OBJ files at once?

Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.

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