YAML Formatter and Validator

Format YAML with consistent indentation and validate syntax. No conversion to JSON.

Indent:

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YAML input

Formatted output

YAML Formatter and Validator

Format YAML with consistent indentation (2, 4, or 8 spaces) and validate syntax. Errors show line and column. For converting between YAML and JSON, use the YAML ⇄ JSON Converter.

Use cases

Config files – Kubernetes, Docker Compose, CI configs
API specs – OpenAPI YAML
Validation – Check syntax before commit or deploy