Free online 3D converters
Drop a file, preview it in 3D, download the converted format. Everything runs in your browser — no upload, no signup, no watermarks.
STEP → STL
CAD to printer-ready mesh
STEP → OBJ
CAD to Wavefront mesh for DCC
STEP → GLB
CAD to web-ready 3D
STEP → USDZ
CAD to iOS AR Quick Look
STL → OBJ
Print mesh to DCC-friendly OBJ
STL → GLB
Print mesh to web / AR
OBJ → STL
DCC mesh to slicer-ready STL
OBJ → GLB
DCC mesh to web-ready glTF
FBX → GLB
Autodesk to web / AR
FBX → STL
Autodesk to 3D printer
FBX → OBJ
Autodesk to Wavefront
glTF → GLB
Pack multi-file glTF into GLB
DAE → STL
Collada / URDF to printer
3MF → STL
Modern print to legacy slicer
Not what you need?
The full 3D viewer supports 10 formats (STEP, IGES, STL, OBJ, GLTF, GLB, 3MF, FBX, PLY, DAE, 3DS) and lets you export to 6 (STL, OBJ, PLY, glTF, GLB, USDZ). Drop any supported file, then pick a target format from the Export menu.
Open 3D Viewer →