Image to STL
Convert images into watertight STL files for 3D printing with relief, logo extrude, lithophane, and keychain modes.
Drop an image here or click to upload
PNG, JPG, WebP, GIF, HEIC — up to 50 MB. Your file never leaves your device.
No image? Try a sample:
How to convert an image to STL
Upload your image
Drag a PNG, JPG, WebP or HEIC file into the workbench — iPhone photos work without extra apps.
Pick an image to STL mode
Choose relief, extrude, lithophane or keychain and adjust print width, depth, resolution and smoothing.
Download your STL file
Export a closed, watertight mesh in millimeters and open it in any slicer required.
Why use this image to STL converter?
Four image to STL conversion modes
Photo relief, logo extrude, lithophane and keychain — each tuned with sensible defaults for real 3D prints.
Live 3D preview before you slice
Every slider rebuilds the mesh in under a second. Orbit the model and confirm wall thickness before export.
Private image to STL processing
Your image never leaves your device. Heightmap sampling and mesh export run locally in the browser.
Watertight binary STL output
Closed meshes in real millimeters — top surface, base and side walls — ready for any slicer.
Image to STL FAQ
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