Free tools for makers.
Depth maps, lithophanes, converters, calculators and laser helpers that run entirely in your browser. No signup, no upload, no limits, commercial use included.
Your files never leave your device.
Free AI depth map generator
Turn any photo into a grayscale depth map with the Depth Anything V2 AI model, right in your browser. Nothing is uploaded. Adjust contrast and depth, preview the 3D relief and download PNG or STL for laser engraving, CNC and 3D printing.
Open the generator
Depth and relief
Lithophane & Relief MakerPhoto or depth map in, watertight STL out. Lithophane or relief, sized in millimetres, ready for your slicer.
3D Map GeneratorSearch a place, set the area and the width, download a watertight terrain STL or a 16-bit height map. Elevation comes from open data tiles.
Also:Lithophane Maker
3D printing
Filament Painting PlannerChoose your filaments, see how the stack will look, and get the exact Z height for every color change.
3D Print Cost CalculatorDrop a model or type your slicer's numbers. Get the true cost of the print and a price that leaves a profit.
STL ViewerOpen STL, OBJ, 3MF, PLY or GLB. Check size, triangles and volume before you slice.
G-code ViewerDrop a .gcode file. Scrub through the layers, play the toolpath and check time and filament before you print or cut.
STL RepairDrop an STL. See what is broken, fix it in one click and download a watertight file.
Laser and CNC
QR Code for Laser EngravingPaste a link or Wi-Fi details. Get a vector QR code sized in millimetres that your laser engraves cleanly and phones scan.
Kerf CalculatorMeasure one test cut, get the offset LightBurn needs, then size joints that press-fit.
Laser & CNC SettingsPick your machine and material. Get a starting point and a test grid to dial it in.
AI Prompt BuilderDescribe what you want to make. Get a prompt that produces artwork your machine can actually use.
Also:DXF Viewer
Converters
SVG to STL ConverterDrop an SVG, a PNG logo or type some text. Get a watertight STL at exactly the height you want.
STL to SVG ConverterDrop an STL. Get its outline or a cross-section as a clean SVG at real size, ready for LightBurn.
SVG to DXF ConverterDrop an SVG and get a clean DXF at the right size. Your laser or CAM software opens it without surprises.
3MF to STL ConverterDrop a .3mf, get a clean binary STL. Multi-object projects and build transforms are handled, and nothing is uploaded.
STL File ConverterOne converter for the common 3D formats. Drop a file, pick the output, download.