YAML to JSON Converter Online

About YAML to JSON Converter

This free online YAML to JSON converter transforms YAML data into JSON format with customizable formatting options and validation. All processing happens in your browser for maximum privacy and security.

Features

• YAML to JSON Conversion: Convert YAML data to clean, structured JSON format
• YAML Validation: Real-time YAML syntax validation with detailed error messages
• Customizable Indentation: Choose from 0-8 spaces for JSON formatting
• Key Sorting: Alphabetically sort object keys for consistent output
• File Operations: Upload YAML files and download JSON results
• Copy & Download: Copy JSON to clipboard or save as .json files
• Example Templates: Quick-start with pre-loaded YAML examples
• Auto-validation: Automatically validate YAML syntax as you type
• Privacy First: All processing happens locally in your browser

YAML to JSON Conversion

• Data Structure Mapping: YAML objects become JSON objects, arrays remain arrays
• Data Type Conversion: YAML data types are converted to JSON equivalents
• Comment Removal: YAML comments are stripped during conversion
• String Handling: Quoted and unquoted YAML strings become JSON strings
• Boolean & Null: YAML booleans and null values are preserved in JSON

YAML vs JSON Differences

• Syntax: YAML uses indentation, JSON uses brackets and braces
• Comments: YAML supports comments, JSON doesn't (comments are removed)
• Data Types: YAML has more data types than JSON
• Readability: YAML is more human-readable, JSON is more compact
• Quotes: YAML allows unquoted strings, JSON requires quotes

Use Cases

• API Integration: Convert YAML configs to JSON for API consumption
• Data Migration: Transform YAML data for JSON-based systems
• Configuration Conversion: Convert YAML configs to JSON format
• Web Development: Transform YAML data for JavaScript applications
• Data Processing: Convert YAML datasets to JSON for analysis tools
• Legacy System Integration: Bridge YAML and JSON data formats

Supported YAML Features

• Basic Data Types: Strings, numbers, booleans, null values
• Collections: Arrays (sequences) and objects (mappings)
• Nested Structures: Complex hierarchical YAML documents
• Multi-line Strings: Folded and literal scalar styles
• Comments: YAML comments (removed in JSON output)
• Anchors & Aliases: YAML references (resolved in JSON output)

JSON Output Options

• Pretty Printing: Formatted JSON with customizable indentation
• Minified Output: Compact JSON with no extra whitespace (0 spaces)
• Key Sorting: Alphabetically sorted object keys for consistency
• Standard Compliance: Valid JSON according to RFC 7159 specification

Common YAML Sources

• Docker Compose: Container orchestration files
• Kubernetes: Resource definitions and configurations
• CI/CD Pipelines: GitHub Actions, GitLab CI configurations
• Ansible Playbooks: Infrastructure automation files
• OpenAPI Specs: API documentation files
• Application Configs: Settings and configuration files