YAML to JSON Converter

Convert YAML data to JSON format with this free online tool. Supports various YAML schemas and maintains data structure integrity. All processing happens in your browser for complete privacy.

Download sample YAML file

YAML Options

Only allows strings, numbers, arrays, and plain objects

Controls which YAML types are supported

JSON Output

Your YAML will be converted to JSON format that preserves the YAML structure.

  • YAML mappings become JSON objects
  • YAML sequences become JSON arrays
  • YAML scalars become appropriate JSON types
  • Comments are removed (JSON doesn't support comments)
  • Complex YAML features are simplified to JSON equivalents

YAML Input

JSON Output

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JSON Output

Enter YAML data to see the converted JSON output.

Using the YAML to JSON Converter

  1. 1.Enter your YAML data in the input box, or use the "Upload" button to select a YAML file
  2. 2.Choose the appropriate YAML schema based on your data requirements
  3. 3.Optionally enable "JSON Compatible Mode" for strict JSON compliance
  4. 4.Click "Convert to JSON" to transform your YAML data
  5. 5.Copy the result or download it as a JSON file

About YAML to JSON Conversion

YAML (YAML Ain't Markup Language) is a human-readable data serialization standard. JSON (JavaScript Object Notation) is a lightweight data-interchange format. Converting between them allows for interoperability between different systems and tools.

This tool is particularly useful when:

  • You need to convert YAML configuration files to JSON for use in web applications
  • You want to transform YAML data exports into JSON format for API consumption
  • You're migrating from YAML-based systems to JSON-based data storage
  • You need to process YAML data in environments that only support JSON
  • You want to validate YAML structure by converting to a more widely supported format