STL
3D Image Files

.STL File

STL is a 3D model file format used to store three-dimensional geometry, meshes and scene data for rendering and printing.

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About the .stl file

STL is a 3D model file format used to store three-dimensional geometry, meshes and scene data for rendering and printing. Files in this category are typically used for 3d image files and may be opened, edited or converted using the tools on this site.

Common uses

  • Belongs to 3D Image Files
  • Viewable in-browser
  • Editable in-browser
  • Convertible to other formats

Viewer

Available for this format

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Editor

Available for this format

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Converter

Available for this format

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Convert .stl files

STL TXT

.stl → .txt
STL PDF

.stl → .pdf
STL HTML

.stl → .html
STL JSON

.stl → .json

STL file FAQ

A .stl file belongs to the 3D Image Files category. STL is a 3D model file format used to store three-dimensional geometry, meshes and scene data for rendering and printing.

You can open .stl files directly in your browser using our online viewer above — no software install needed.

Yes. Use our online editor above to edit .stl files with syntax highlighting, undo and export.

Use the converter options above to change .stl into txt, pdf, html and more.