DevToolKit

YAML to JSON Converter

Convert YAML to clean JSON instantly. Supports multi-document streams, recursive key sorting, and NDJSON (JSON Lines) output with real-time validation.

Multi-Doc (2)
Total Keys:23
Max Depth:5
Size Delta:+57%

Processor Settings

Recursive sorting
Multi-Doc Support

Separated documents using --- are automatically converted into a single JSON array or NDJSON stream.

SOURCE YAML
[
  {
    "apiVersion": "v1",
    "kind": "Service",
    "metadata": {
      "name": "auth-service",
      "namespace": "prod",
      "labels": {
        "app": "auth",
        "tier": "backend"
      }
    },
    "spec": {
      "selector": {
        "app": "auth"
      },
      "ports": [
        {
          "protocol": "TCP",
          "port": 80,
          "targetPort": 8080
        }
      ],
      "type": "LoadBalancer"
    }
  },
  {
    "apiVersion": "v1",
    "kind": "ConfigMap",
    "metadata": {
      "name": "auth-env"
    },
    "data": {
      "DB_URL": "postgres://db:5432",
      "DEBUG": "false"
    }
  }
]
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How to Use

Converting YAML data into structured JSON is fast and visual with our professional editor:

  1. Paste YAML: Enter your source YAML or JSON into the SOURCE YAML input box on the left.
  2. Select Format: Use the sidebar to choose between Indented JSON, Minified, or NDJSON.
  3. Customize Output: Set your preferred Indentation and toggle Alphabetize Keys if needed.
  4. Live Analysis: Watch the Statistics Ribbon update instantly with document counts and complexity scores.
  5. Copy & Save: Use the copy icon or download button to save your resulting JSON data.

About This Tool

Industrial Data Engineering

The DevToolkit YAML to JSON utility is engineered for high-fidelity data processing. It correctly handles complex YAML 1.2 features such as anchors, aliases, and multi-document streams, providing a reliable bridge between infrastructure manifests and application logic.

Why Use This Tool

Why use our tool?

Privacy and precision. Most online converters transmit your data to a remote server for processing, creating a significant security risk for sensitive configurations. Our tool runs 100% client-side, ensuring your proprietary data, API paths, and environment secrets never leave your local machine memory.

FAQ

Does this tool support multiple YAML documents?
Yes. If your YAML file contains multiple documents separated by '---', our tool will automatically parse them into a single JSON array or an NDJSON stream depending on your selection.
What is NDJSON / JSON Lines?
NDJSON (Newline Delimited JSON) is a format where each line is a valid JSON object. It is the preferred format for log analysis and high-volume data streaming.
Can I sort the keys in the output?
Absolutely. Toggle the 'Alphabetize Keys' setting in the sidebar to recursively sort all object properties in the resulting JSON, making it easier to compare versions.
Is my configuration data kept private?
Yes. Like all DevToolkit utilities, the YAML to JSON engine runs 100% client-side. Your manifests, secrets, and data never leave your browser memory.
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