Convert to STL

Convert compatible files to STL directly in your browser.

  • No uploads Files stay on your device
  • Batch processing Handle multiple files at once
  • 100% private No sign-up, no tracking

Drop files or folders here

You can also drag files into this area

Supported input formats

  • 3DS
  • 3MF
  • DAE
  • GLB
  • GLTF
  • MESHY
  • OBJ
  • PLY
  • STL

We support 9 formats. All conversion happens in your browser.

View all formats →

How to convert to STL

  1. Add your files (e.g. 3DS, 3MF, DAE)
  2. Adjust output settings (optional)
  3. Click \"Convert\"
  4. Download your converted files

About STL

STL is the original 3D-printing format: a bare list of triangles that every slicer on Earth accepts, carrying nothing but surface geometry. Learn when to use it and what to choose instead.

Learn more about STL →