Tools

Each tool works offline once the page has loaded.

Kubernetes

Kubernetes manifest checkerPaste YAML and get warnings for missing limits, :latest images, root containers and other common mistakes.
Pod status explainerPaste kubectl describe pod and find out why it is in CrashLoopBackOff, ImagePullBackOff, Pending or OOMKilled, and what to run next.
kubectl neat: clean exported YAMLStrip status, managedFields, cluster-assigned IPs and default values from kubectl get -o yaml, and get a manifest you can commit.
Kubernetes resource calculatorConvert CPU and memory quantities, see how many pods fit on a node, and total the requests in your manifests.
Kubernetes Secret decoderDecode every value in a Secret at once, spot trailing newlines, or create a Secret from KEY=value lines.
Kubernetes manifest & kubeconfig redactorMask Secret values, kubeconfig tokens, cluster endpoints and IPs before you paste YAML into an AI chat or a ticket.
Label selector testerCheck which pods a selector matches, and why the others do not. Accepts kubectl --show-labels output.
RBAC explainerRead Roles and bindings in plain words: who can do what, where, and which permissions are risky.
Service account kubeconfig generatorGet a script that creates a service account with the right RBAC and writes a kubeconfig for it. The token never touches this page.
NetworkPolicy explainerSee what a NetworkPolicy allows in plain words, and test whether one pod can reach another.
kubectl command builderBuild kubectl commands for logs, exec, port-forward, rollouts, debugging and more, with each flag explained.

Network

CIDR / subnet calculatorNetwork range, usable hosts (including Azure’s 5 reserved addresses) and subnet splits.

Encoding & crypto

JWT decoderRead the header and claims of a JSON Web Token and check when it expires.
Base64 encode / decodeEncode or decode Base64 with UTF-8 support, handy for Kubernetes Secret values.

Scheduling

Cron expression explainerRead a cron schedule in plain words and see the next run times in UTC or local time.

Data formats

YAML ↔ JSON converterConvert YAML to JSON and back, including multi-document YAML.