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YAML to JSON Converter

Convert YAML format to JSON with customizable indentation and bracket styling options.

Formatting Options
Customize the output JSON formatting to match your preferences
YAML InputNo YAML data
Paste your YAML content and see the JSON conversion in real-time
JSON Output
Converted JSON will appear here...
Conversion Controls
Convert, copy, and manage your YAML to JSON transformation

• Paste YAML content to automatically convert to JSON

• Use formatting options to customize JSON output style

• Click the copy button to copy the converted JSON to clipboard

YAML & JSON Guide

Learn about YAML and JSON formats, their differences, and conversion best practices for effective data transformation.

YAML to JSON Conversion Guide

Understanding YAML and JSON

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard. It's designed to be easily readable by both humans and machines, making it popular for configuration files and data exchange.

JSON (JavaScript Object Notation) is a lightweight, text-based data interchange format. Despite its name, JSON is language-independent and widely used across all programming platforms.

Key Differences

YAML Advantages

  • Human-readable: Clean, indented structure without brackets
  • Comments support: Use # for inline comments
  • Multi-line strings: Natural line breaks and formatting
  • Less verbose: No need for quotes in most cases

JSON Advantages

  • Universal support: Native in JavaScript, supported everywhere
  • Faster parsing: Simpler structure for machine processing
  • Strict syntax: Less ambiguity, fewer parsing errors
  • Web standard: Default format for APIs and web services

Common Use Cases

When to Use YAML

  • Configuration files (Docker, Kubernetes, CI/CD)
  • Documentation with data
  • Human-edited content
  • Infrastructure as Code

When to Use JSON

  • API responses and requests
  • Database storage (NoSQL)
  • Web application data
  • JavaScript applications

Conversion Benefits

Converting YAML to JSON allows you to:

  • Integrate YAML configurations with JSON-based systems
  • Validate YAML syntax by converting to JSON
  • Optimize for web applications that prefer JSON
  • Standardize data formats across different tools

Formatting Options

Indentation

  • 2 spaces: Standard for most JSON formatters
  • 4 spaces: Common in many coding standards
  • Tabs: Preferred by some development teams

Bracket Style

  • Same line: Compact format {"key": value}
  • Next line: Expanded format for better readability

Best Practices

✅ Validate your YAML before conversion
✅ Choose consistent indentation style
✅ Test converted JSON in target applications
✅ Preserve data types during conversion

❌ Don't lose comments (they're not supported in JSON)
❌ Don't forget to handle special characters
❌ Don't ignore data type conversions

Common Conversion Examples

YAML Input:

name: "Project API"
version: 1.2.0
enabled: true
servers:
  - production
  - staging

JSON Output:

{
  "name": "Project API",
  "version": "1.2.0",
  "enabled": true,
  "servers": ["production", "staging"]
}

This tool ensures accurate conversion while preserving data integrity and providing customizable formatting options for your specific needs.