LayerForge Free tools
Free tools for 3D printing
Convert, check and shrink model files right here. They run in your browser, so your files never leave your PC, and there's nothing to sign up for.
3MF to STL
Turn a 3MF project into a plain STL for any slicer or model site.
OBJ to STL
Convert OBJ models from Blender, scanners and AI generators.
STL to 3MF
Smaller files in millimetres, for Bambu Studio, PrusaSlicer and Orca.
STL viewer & checker
View in 3D and check for holes, bad edges and wrong units.
Reduce triangles
Shrink huge AI and scanned models without changing the print.
Need it for a whole library?
LayerForge does all of this, plus flat bottoms, splitting and molds, to thousands of models at once.