Free tools · no account

Free 3D tools that run in your browser

View a model, check an STL before printing, convert a file or build a 3D prompt. Your files stay on your device: nothing is uploaded or stored.

Nothing is uploaded: everything runs in your browser.

Conversions, formats and checks

Convert OBJ to STL An OBJ becomes a binary STL for your slicer.
Convert GLB to STL A GLB becomes an STL for your slicer, losses announced.
Convert STL to GLB An STL becomes a GLB for the web and real-time 3D.
GLB viewer A .glb shown with its colors and textures.
OBJ viewer A .obj shown in 3D, geometry only.
Watertight or non-manifold STL Open edges, non-manifold edges, inverted normals.
STL dimensions and volume Size, volume, surface and triangles of an STL.
Figurine 3D prompts Eight figurine prompts ready to edit.

A photo or an idea becomes an STL and GLB 3D model. 150 free credits at sign-up, with a quote before every charge.