YAML Linter/Validator

Validate and format your YAML documents

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YAML Editor

JSON Output

Validation Results

No YAML content to validate yet

Paste your YAML in the editor or click "Example" to get started

YAML Validation Tips

Proper Indentation

YAML uses spaces (not tabs) for indentation. Consistent 2-space indentation is recommended.

Key-Value Pairs

Ensure all keys have values and use proper syntax: key: value

Quoting Strings

Quote strings with special characters: description: "This needs quotes: @value"

Multi-line Strings

Use | for literal or > for folded multi-line strings.