STL → USDZ

// client-side · no upload · works offline

Drop STL files here

or tap to browse · .stl binary & ASCII

// options

Material preset

Base color applied to mesh

Double-sided

Render back faces (thicker files)

Recenter mesh

Move origin to bounding-box center

All processing is local. Your files never leave this device.
Output: USDZ (uncompressed ZIP containing USDA) — opens in AR Quick Look on iOS/macOS, Blender, and Reality Composer.