Minecraft Building Tools
Free generators and calculators that do the maths for you, so you can spend your time building. Everything runs in your browser and works on phones and tablets.
Shape generators
Circle GeneratorPerfect block circles with exact block counts.Oval GeneratorEllipses for arenas, lakes and hulls.Sphere GeneratorLayer-by-layer spheres and planets.Dome GeneratorRoofs, igloos and glass domes.Arch GeneratorGates, bridges and window arches.
Calculators
Pyramid CalculatorLayers and block totals for any pyramid.Pixel Art GeneratorTurn any image into a block map.Nether Portal CalculatorLink portals with exact coordinates.Stack CalculatorItems to stacks, chests and shulkers.