YAML 포맷터 및 유효성 검사기
Paste YAML to format and validate. See errors instantly, fix indentation, and convert to JSON.
Processed locally · nothing sent to any server
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What Is YAML?
YAML (YAML Ain't Markup Language) is a human-readable data serialization format used for configuration files (Docker, Kubernetes, GitHub Actions, Ansible), data exchange, and more. It uses indentation instead of braces and is a superset of JSON.
Frequently Asked Questions
What errors does the validator catch?
Indentation errors, missing colons, duplicate keys, invalid characters, unclosed strings, bad nesting, and other YAML syntax issues. Error messages include line numbers.
Can I convert YAML to JSON?
Yes! Click the "→ JSON" button to convert your YAML to nicely formatted JSON. For the reverse, use our JSON to YAML Converter.