PNG to STL
Create a clean outline from a transparent PNG, or turn grayscale artwork into a relief. The transparent canvas does not become a rectangular backing.
Open converter →Free online tools
Find the right STL file converter
Choose an online STL converter around the file you have and the result you need. Image tools create outlines or reliefs, mesh tools exchange geometry and CAD import tessellates supported surfaces.
Looking for another format? Check all format workflows and compatibility.
JPG to STL
Convert a JPEG into a grayscale relief or extrude high-contrast artwork after removing a simple background.
Open converter →SVG to STL
Turn self-contained SVG paths and shapes into an STL outline or relief. Convert text to paths before uploading.
Open converter →OBJ to STL
Convert OBJ polygon geometry into a binary STL for a geometry-only mesh workflow.
Open converter →STL to OBJ
Convert a binary or ASCII STL into an OBJ triangle mesh while retaining its numeric coordinate values.
Open converter →3MF to STL
Extract supported core 3MF build geometry with component placement and millimeter-sized output.
Open converter →STEP to STL
Tessellate STEP or STP CAD geometry into an STL using a browser-loaded OpenCascade engine.
Open converter →AVIF to STL
Create an outline or a grayscale relief from AVIF artwork, using locally decoded image pixels.
Open converter →BMP to STL
Create an outline or a grayscale relief from BMP artwork, using locally decoded image pixels.
Open converter →DDS to STL
Create an outline or a grayscale relief from DDS artwork, using locally decoded image pixels.
Open converter →DPX to STL
Create an outline or a grayscale relief from DPX artwork, using locally decoded image pixels.
Open converter →EXR to STL
Create an outline or a grayscale relief from EXR artwork, using locally decoded image pixels.
Open converter →GIF to STL
Create an outline or a grayscale relief from GIF artwork, using locally decoded image pixels.
Open converter →ICO to STL
Create an outline or a grayscale relief from ICO artwork, using locally decoded image pixels.
Open converter →JPEG to STL
Create an outline or a grayscale relief from JPEG artwork, using locally decoded image pixels.
Open converter →PCX to STL
Create an outline or a grayscale relief from PCX artwork, using locally decoded image pixels.
Open converter →PSB to STL
Create an outline or a grayscale relief from PSB artwork, using locally decoded image pixels.
Open converter →PSD to STL
Create an outline or a grayscale relief from PSD artwork, using locally decoded image pixels.
Open converter →QOI to STL
Create an outline or a grayscale relief from QOI artwork, using locally decoded image pixels.
Open converter →TGA to STL
Create an outline or a grayscale relief from TGA artwork, using locally decoded image pixels.
Open converter →TIFF to STL
Create an outline or a grayscale relief from TIFF artwork, using locally decoded image pixels.
Open converter →WEBP to STL
Create an outline or a grayscale relief from WEBP artwork, using locally decoded image pixels.
Open converter →WPG to STL
Create an outline or a grayscale relief from WPG artwork, using locally decoded image pixels.
Open converter →AMF to STL
Read AMF geometry and export a triangle mesh as STL in your browser.
Open converter →GLB to STL
Read GLB geometry and export a triangle mesh as STL in your browser.
Open converter →GLTF to STL
Read GLTF geometry and export a triangle mesh as STL in your browser.
Open converter →PLY to STL
Read PLY geometry and export a triangle mesh as STL in your browser.
Open converter →OFF to STL
Read OFF geometry and export a triangle mesh as STL in your browser.
Open converter →WRL to STL
Read WRL geometry and export a triangle mesh as STL in your browser.
Open converter →VTK to STL
Read VTK geometry and export a triangle mesh as STL in your browser.
Open converter →DXF to STL
Read DXF geometry and export a triangle mesh as STL in your browser.
Open converter →ZIP to STL
Read ZIP geometry and export a triangle mesh as STL in your browser.
Open converter →STL to 3MF
Export STL triangle geometry as 3MF for your next mesh workflow.
Open converter →STL to GLB
Export STL triangle geometry as GLB for your next mesh workflow.
Open converter →STL to GLTF
Export STL triangle geometry as GLTF for your next mesh workflow.
Open converter →STL to PLY
Export STL triangle geometry as PLY for your next mesh workflow.
Open converter →STL to OFF
Export STL triangle geometry as OFF for your next mesh workflow.
Open converter →STL to AMF
Export STL triangle geometry as AMF for your next mesh workflow.
Open converter →STL to WRL
Export STL triangle geometry as WRL for your next mesh workflow.
Open converter →STL to X3D
Export STL triangle geometry as X3D for your next mesh workflow.
Open converter →STL to VTK
Export STL triangle geometry as VTK for your next mesh workflow.
Open converter →STL to VTP
Export STL triangle geometry as VTP for your next mesh workflow.
Open converter →STL to DXF
Export STL triangle geometry as DXF for your next mesh workflow.
Open converter →STL to ZIP
Export STL triangle geometry as ZIP for your next mesh workflow.
Open converter →View without converting
Use the STL viewer or read the format guide.
Choose a .stl file converter for the direction you need
Exporting a 3D object to STL begins with a source that the importer can read. A 3D model converter can exchange supported surface geometry, but a native design document or slicer project may need an export from its original application first. When you convert a model to STL, check what information the triangle mesh can retain.
Use each tool’s output format selector for available geometry exports. Moving between mesh containers does not recover missing design history, textures or machine settings. The selected page name is a starting workflow, so confirm the chosen output before downloading.
Check file format compatibility and unsupported formats · Browse CAD to STL workflows · Open a model without changing format