YAML Formatter & Validator
Format YAML, validate syntax, or convert YAML ↔ JSON. Useful for Kubernetes manifests, GitHub Actions, and CI configs.
Input
Output
Start typing in the left pane.
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YAML Formatter & Validator
YAML is the config format behind Kubernetes, GitHub Actions, Docker Compose, Ansible, and most CI systems. A missing space ruins the parse. This tool formats YAML, converts it to and from JSON, and gives readable errors.
- Format and validate YAML
- Convert YAML → JSON
- Convert JSON → YAML
- Powered by js-yaml — the reference YAML 1.2 parser