YAML to JSON Converter — Free Online Tool
Convert YAML configuration files to JSON format online for free. Paste any YAML and download clean formatted JSON instantly. No signup needed.
About YAML to JSON
Converting YAML to JSON is needed when working with APIs that expect JSON input, when debugging YAML configuration files, or when migrating from YAML-based configs to JSON-based ones. YAML files from Docker, Kubernetes, GitHub Actions, and Ansible configurations can be converted to JSON for use in web applications, data pipelines, or JSON Schema validation. Our converter handles YAML aliases, anchors, multi-line strings, and all data types.
Frequently Asked Questions
Can it parse Kubernetes YAML files?
Yes — any valid YAML including Kubernetes manifests, Docker Compose files, and Ansible playbooks can be parsed.
Does it handle YAML anchors and aliases?
Yes — YAML anchors and aliases are resolved and inlined in the JSON output.
What happens to YAML comments?
Comments are not present in the JSON output since JSON does not support comments.
Can it validate YAML syntax?
Yes — YAML syntax errors are detected and reported with the line number.
Can I also convert JSON back to YAML?
Yes — use our JSON to YAML tool for the reverse conversion.