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YAML Validator
Processed Locally
Validate YAML syntax and structure, detect errors and warnings in your YAML files.
Frequently Asked Questions
The validator checks YAML syntax, indentation, structure, and document formatting. It identifies parse errors, invalid syntax, incorrect indentation, and other common YAML issues.
Yes, the validator supports YAML files with multiple documents separated by ---. Each document is validated separately, and you'll see the total document count in the report.
Errors indicate invalid YAML that cannot be parsed, such as syntax errors or incorrect indentation. Warnings are potential issues that don't prevent parsing but might cause problems, like duplicate keys or unusual formatting.
The validator supports basic YAML tags and will report any unrecognized tag syntax as an error. Most standard YAML features including anchors, aliases, and common tags are supported.