YAML to JSON Converter

Convert YAML to JSON and JSON to YAML instantly. Free online tool with syntax validation and pretty printing. Perfect for configuration files, API specs, and data migration.

Features

  • Bidirectional conversion: YAML to JSON and JSON to YAML

  • Real-time syntax validation and error detection

  • Support for complex nested structures

  • Pretty print and minify options

  • Copy to clipboard with one click

  • Download converted files instantly

  • 100% client-side - your data never leaves your browser

  • No signup required - completely free

Common Use Cases

Configuration Files

Convert between YAML config files (Kubernetes, Docker Compose) and JSON format.

API Development

Transform YAML API specifications (OpenAPI/Swagger) to JSON for tooling compatibility.

CI/CD Pipelines

Convert GitHub Actions or GitLab CI YAML to JSON for programmatic manipulation.

Data Migration

Move data between systems that prefer different formats.

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