Online Tools Collection

YAML / JSON Converter

Convert between YAML and JSON formats with real-time validation

Valid JSON Invalid JSON
Valid YAML Invalid YAML

JSON

YAML

YAML ⇄ JSON conversion use cases

This YAML / JSON converter is built for configuration files, backend service migration and keeping frontend and backend data structures in sync. It converts between YAML and JSON while validating formatting and indentation.

Typical scenarios

  • Convert JSON payloads returned by APIs into YAML for Kubernetes or Docker configuration files
  • Turn existing YAML configuration into JSON so it can be used directly in frontend code or scripts
  • Check YAML indentation, anchors and aliases when you suspect a subtle syntax issue
  • Show both YAML and JSON versions of the same configuration in documentation or blog posts

Practical tips

  1. Edit content on either side; the other side will auto‑convert while preserving structure and indentation.
  2. When something looks wrong, read the error panel above for the line number and a short explanation.
  3. Only copy the result into your configuration repository or deployment system after the format is marked valid.

All YAML and JSON parsing and conversion happens locally in your browser; nothing is uploaded to a server.