# 3D Viewer

> Supported file types: STL, STEP, STP, OBJ, 3MF, GLTF, GLB, PLY, FBX, DAE, IGES.

- Open in browser: https://pockettoolbox.org/en/3d-viewer
- Runs entirely in your browser; files and input are never uploaded.

## How it works

Supported file types: STL, STEP, STP, OBJ, 3MF, GLTF, GLB, PLY, FBX, DAE, IGES.

Drag and drop files into the viewport. Rotate, pan, and zoom via mouse or touch. Displays dimensions (X/Y/Z), triangles, vertices, and wireframe topology.

Renders 3D geometries entirely client-side using Three.js (WebGL 2.0). B-Rep CAD files (STEP / STP / IGES) are triangulated inside the browser using the OpenCASCADE WebAssembly engine (occt-import-js). No data leaves your machine.

---
PocketToolbox (https://pockettoolbox.org/en)