Kubernetes YAML Validator
K8s YAML Validator
Validate Kubernetes manifests against built-in schema rules: required fields, apiVersion, container images, resource limits, liveness probes, and more. Supports 16 resource kinds. Also includes a Diff mode for semantically comparing two manifest versions.
Paste a Kubernetes YAML manifest and click Validate.
Validate Kubernetes manifests against built-in schema rules. Supports 18 resource kinds and --- multi-document files. Role/ClusterRole manifests are also checked for over-broad wildcard permissions and privilege-escalation combinations, and RoleBinding/ClusterRoleBinding manifests are checked for bindings to the built-in cluster-admin role.
K8s YAML Validator
Validate Kubernetes manifests against built-in schema rules: required fields, apiVersion, container images, resource limits, liveness probes, and more. Supports 16 resource kinds. Also includes a Diff mode for semantically comparing two manifest versions.
Common uses
- Validate a Deployment manifest for missing resource limits
- Check a Pod spec for missing liveness probes
- Compare two versions of a Deployment manifest
Frequently asked questions
Can I use K8s YAML Validator to validate a Deployment manifest for missing resource limits?
Yes. K8s YAML Validator can validate a Deployment manifest for missing resource limits, directly in your browser.
Can I use K8s YAML Validator to check a Pod spec for missing liveness probes?
Yes. K8s YAML Validator can check a Pod spec for missing liveness probes, directly in your browser.
Can I use K8s YAML Validator to compare two versions of a Deployment manifest?
Yes. K8s YAML Validator can compare two versions of a Deployment manifest, directly in your browser.
Is my data uploaded to a server?
No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.