Native Cube Cloud-native toolbox

Purpose-built infrastructure utilities

Free tools for cloud-native work.

Generate Kubernetes manifests, visually plan IPv4 subnets, and format YAML or JSON with focused utilities that run entirely in your browser.

Created and maintained by Marcin Cuber

Available now

Kubernetes Manifest Builder

Build Deployment, StatefulSet, or DaemonSet workloads and export clean YAML or JSON.

Available now

Visual Subnet Calculator

Split IPv4 CIDR blocks and share clear, visual subnet plans.

Available now

YAML & JSON Formatter

Validate, format, and convert configuration data without uploading it.