Stereolithography
STL converter
Open a STL file, choose a supported output and inspect conversion limitations. Find related viewing, compression and export tools in one place.
Convert this format
About this format
STL stores triangles without materials or an explicit unit declaration. It is widely used for 3D printing. STL to STEP creates faceted geometry, not editable design features. STL compression rewrites ASCII as binary; already compact binary files may not shrink.