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✅
Utility
YAML Validator
Validate YAML syntax and preview the parsed structure.
YAML input
Result
Valid YAML
About this tool
Paste YAML config and instantly see if it's valid. Errors show line and column details; valid documents preview as JSON.
What it does
- •Full YAML 1.2 parsing
- •Detailed error messages
- •JSON preview
- •No signup
Use cases
- ★CI/CD debugging
- ★Kubernetes manifests
- ★GitHub Actions
FAQ
Does it check schema?
No — only YAML syntax. For schema validation, use a JSON Schema tool after parsing.
Which spec?
YAML 1.2 via js-yaml.