etiles is a Rust CLI tool and library that converts point cloud data (LAS, LAZ, E57, XYZ) into OGC 3D Tiles 1.1, enabling efficient streaming and 3D visualization of large geospatial datasets. It uses octree spatial indexing and implicit tiling subtrees for streaming and preserves RGB colors in the output tiles. It ships as a pre-built CLI executables for Linux, macOS, and Windows and a Docker image.