YAML to JSON Converter
Convert YAML to JSON format with validation and formatting
📋 YAML Input
0 characters
📄 JSON Output
Usage Instructions
- Paste or type YAML data in the left input box
- Select output format (Formatted or Minified)
- If Formatted is selected, you can set indent size (2 or 4 spaces)
- Optionally sort object keys alphabetically
- Converted JSON format will automatically display on the right
- If YAML has syntax errors, detailed error messages will be displayed
- Click "Copy" or "Download" to save the result
📝 YAML Syntax Key Points:
- Use indentation to represent hierarchy (typically 2 spaces)
- Key-value pairs separated by colon: key: value
- List items with dash: - item
- Supports comments: # this is a comment
- Strings usually do not need quotes
- Multi-line strings can use | or >
🎯 Use Cases:
- Convert Kubernetes, Docker Compose configuration to JSON
- Process CI/CD configuration files (GitHub Actions, GitLab CI, etc.)
- Import configuration files to systems that only support JSON
- Data format conversion and migration
- Debug and validate YAML configuration
⚠️ Common YAML Errors:
- Inconsistent indentation (must use spaces, not tabs)
- Missing space after colon
- Missing space after dash in list items
- Special characters not properly quoted
- Boolean value spelling error (should be true/false, not True/False)
About YAML to JSON Converter
Convert YAML configuration files to JSON format with syntax validation and flexible formatting options. Choose between formatted or minified output, customize indentation (2/4 spaces), and optionally sort object keys. Includes detailed error messages for invalid YAML syntax with line number indicators. Perfect for converting config files, processing CI/CD configs, or integrating with JSON-only APIs. Supports comments and all YAML features.
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