Free online 3D tools

Browser-based utilities, free and account-free. Files are processed on your device and never uploaded.

Free online GLB viewer

Inspect GLB and glTF files directly in your browser. The same viewer also opens OBJ, STL and PLY files.

Free online STL viewer

Check an STL file before slicing or printing, directly in your browser. The same viewer also opens GLB, glTF, OBJ and PLY files.

Free online OBJ viewer

Open an OBJ file directly in your browser. The same viewer also opens GLB, glTF, STL and PLY files.

Free GLB to STL converter

Drop in a GLB or glTF file and get an STL back. The conversion runs in your browser, so nothing is uploaded. The panel shows the size the STL will have in millimetres, which is the part most converters leave you to discover in the slicer.

3D print cost calculator

Estimate what a print actually costs. Enter values in your own currency; the result uses the same currency. Everything runs in your browser.