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YAML Validator & Formatter

Check common YAML structure and indentation patterns with the available parser or a conservative fallback; it is not a Kubernetes or Compose validator.

Free to use

YAML Input

Paste YAML (e.g. docker-compose.yml, config.yaml).

Validation Result

Result will appear here.

About YAML Validator & Formatter

Check common YAML structure and indentation patterns with the available parser or a conservative fallback; it is not a Kubernetes or Compose validator.

How to use this tool

  1. Enter the requested data or choose an upload.
  2. Check the file type and size limit before submitting.
  3. Review the result, then download or copy it.
  4. Keep the original and use the actions above to continue safely.

Read the full YAML Validator & Formatter guide →