View STL, STEP, GLB — convert & simplify meshes.
Open .stl models — orbit, wireframe, snapshot, convert.
Parse STEP, IGES, BREP via OpenCascade WASM.
Open Wavefront .obj meshes with orbit and wireframe.
Preview .glb and .gltf 3D assets in your browser.
Convert between STL, STEP, IGES, OBJ, PLY, GLB, FBX, 3MF, DAE.
Reduce triangle count with meshoptimizer — lighter STL / GLB.
Snapshot a PNG preview from any 3D model file.
Every cad & 3d tool runs inside your browser. No file is uploaded, ever.
Native-speed processing using open-source WASM modules — no plugins.
No account, no watermarks, no size limits. Just tools.