Free tools for makers.

Eight tools 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

The free depth map generator showing a 3D relief made from a dog photo

Depth and relief

Lithophane & Relief MakerPhoto or depth map in, watertight STL out. Lithophane or relief, sized in millimetres, ready for your slicer.

3D printing

Filament Painting PlannerChoose your filaments, see how the stack will look, and get the exact Z height for every color change.
3MF to STL ConverterDrop a .3mf, get a clean binary STL. Multi-object projects and build transforms are handled, and nothing is uploaded.
STL ViewerOpen STL, OBJ, 3MF, PLY or GLB. Check size, triangles and volume before you slice.

Laser and CNC

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.