YAML to JSON

Convert YAML documents to JSON format with structure preservation

Input YAML

Enter or paste YAML data to convert to JSON

JSON Indentation:

JSON Output

What is YAML to JSON Conversion?

YAML to JSON conversion transforms YAML configuration files into JSON format. This tool helps you convert between formats entirely in your browser - your data never leaves your device. YAML is commonly used for configuration files in Docker, Kubernetes, and CI/CD pipelines, while JSON is widely supported by APIs and programming languages.

How to Use

Paste your YAML data into the input field
Choose your preferred JSON indentation (2 or 4 spaces)
Click "Convert to JSON" to transform the data
Copy the JSON result using the "Copy JSON" button

Example

Input YAML:

name: John Doe
age: 30
address:
  street: 123 Main St
  city: New York
hobbies:
  - reading
  - coding

Output JSON:

{
  "name": "John Doe",
  "age": 30,
  "address": {
    "street": "123 Main St",
    "city": "New York"
  },
  "hobbies": [
    "reading",
    "coding"
  ]
}

Features

Convert YAML to JSON with customizable indentation
Preserve all data types (strings, numbers, booleans, null)
Handle nested objects and arrays correctly
Display error line numbers for invalid YAML
100% client-side processing for privacy
Bidirectional conversion available (use JSON to YAML tool)

Frequently Asked Questions

What is YAML to JSON conversion?

YAML to JSON conversion transforms YAML format into JSON format. This is useful when you need to use YAML configuration files with tools that only accept JSON, or when you want to process YAML data with JSON-based APIs.

Why convert YAML to JSON?

YAML is more human-readable and commonly used for configuration files, while JSON is more widely supported by programming languages and APIs. Converting YAML to JSON allows you to use YAML's clean syntax while maintaining compatibility with JSON-based systems.

Does this preserve data types?

Yes, the converter preserves all data types including strings, numbers, booleans, null values, arrays, and nested objects. The conversion maintains the exact data structure and values from your YAML document.

Can it handle nested YAML structures?

Yes, the converter handles deeply nested YAML objects and arrays correctly. It preserves the entire hierarchy and structure of your YAML data in the resulting JSON output.

Is my data sent to a server?

No, all conversion happens in your browser. Your YAML data never leaves your device, ensuring complete privacy and security for sensitive configuration files.

What happens if my YAML has syntax errors?

The converter will detect syntax errors and display a detailed error message with the line and column number where the error occurred, helping you fix the issue quickly.

Can I convert the JSON back to YAML?

Yes! Use our JSON to YAML converter tool to perform the reverse conversion. The bidirectional conversion preserves your data structure perfectly.