YAML (YAML Ain't Markup Language) is a human-readable data serialization format. It's commonly used for configuration files (Docker Compose, Kubernetes, GitHub Actions), and is known for its clean, indentation-based syntax.

Why convert YAML to JSON?

JSON is more widely supported by APIs and programming languages. Converting YAML to JSON is useful when you need to use configuration data in web applications, REST APIs, or systems that only accept JSON.

Why convert JSON to YAML?

YAML is more human-readable and easier to write by hand. Converting JSON to YAML is helpful when creating configuration files for tools like Docker, Kubernetes, or Ansible.

Does YAML support comments?

Yes, YAML supports comments using the # symbol. However, comments are lost when converting to JSON since JSON doesn't support comments. Converting back to YAML won't restore the original comments.

Data Format Converter

YAML ↔ JSON Converter

Convert between YAML and JSON formats instantly. Perfect for configuration files and API data.

YAML Input/Output

JSON Input/Output

Type in either panel to convert

YAML vs JSON Comparison

Feature	YAML	JSON
Comments
Human Readable	⭐⭐⭐	⭐⭐
Machine Parsing	⭐⭐	⭐⭐⭐
Browser Support
Multi-line Strings		Escape only
Common Use Cases	Config files, Docker, K8s	APIs, Web apps, Data exchange

Syntax Examples

YAML Syntax

server:
  host: localhost
  port: 3000
  ssl: true
  
databases:
  - name: primary
    type: postgres
  - name: cache
    type: redis

JSON Equivalent

{
  "server": {
    "host": "localhost",
    "port": 3000,
    "ssl": true
  },
  "databases": [
    {"name": "primary", "type": "postgres"},
    {"name": "cache", "type": "redis"}
  ]
}

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