Kubernetes Name Validator
Validate Kubernetes resource names against DNS-1123/1035 and label-value rules.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Pick the rule
Subdomain, label, DNS-1035, or label value.
- 2
Paste names
One per line.
- 3
Use the suggestions
Invalid names come with an auto-fixed alternative.
Frequently Asked Questions
- Most resources need DNS-1123 subdomains: lowercase alphanumerics, hyphens and dots, max 253 chars. Services and Namespaces need the stricter 63-char DNS-1123 label; port names need DNS-1035 (must start with a letter).
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