YAML ⇆ JSON Converter – Bidirectional Online Tool

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YAML ⇆ JSON Converter

What is YAML?

YAML (YAML Ain't Markup Language) is a human-readable data serialization format, commonly used for:

  • Configuration files: Kubernetes, Docker Compose, GitHub Actions
  • Data exchange: API request bodies, database import/export
  • Documentation: Supports comments, multi-line strings

YAML vs JSON Comparison

FeatureYAMLJSON
Comments✅ Supported❌ Not supported
Multi-line strings✅ Supported❌ Needs escaping
Key quotesOptionalRequired double quotes
IndentationStrict requirementNo requirement
Parse speedSlowerFaster

Usage Examples

YAML → JSON Conversion

Convert YAML configuration files to JSON format:

YAML to JSON example

Enter YAML content on the left, formatted JSON is generated automatically on the right.

JSON → YAML Conversion

Convert JSON data to readable YAML configuration:

JSON to YAML example

Supports custom indentation (2/4/8 spaces) for easier editing and maintenance.

Use Cases

YAML → JSON

  • Convert Kubernetes configs to API request bodies
  • Convert Docker Compose configs to JSON format
  • Import YAML configs into JSON-based systems

JSON → YAML

  • Convert API responses to readable config files
  • Convert JSON configs to YAML for easier editing
  • Generate GitHub Actions and other config files

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