JSON to YAML Converter

Convert JSON to YAML online with customizable indentation and clean syntax preservation. Generate YAML configurations from JSON payloads in your browser.

YAML 1.2 compliant

Indentation options

Copy & download

Type preservation

Step-by-Step Guide

How to Use JSON → YAML Online

Follow these quick steps to process your data online directly in your browser with zero latency and 100% privacy.

Step 1Parses the input JSON string into a structured object.

Step 2Translates objects to YAML key-value pairs and arrays to bulleted sequences.

Step 3Preserves native types including strings, numbers, booleans, and nulls.

Demonstration

Example Input & Output

Maps JSON objects to indented YAML mappings and JSON arrays to YAML sequence lists, preserving booleans, numbers, and strings.

JSON Input

{
  "apiVersion": "apps/v1",
  "kind": "Deployment",
  "metadata": {
    "name": "web-service",
    "labels": {
      "app": "frontend"
    }
  },
  "spec": {
    "replicas": 3
  }
}

YAML Output

apiVersion: apps/v1
kind: Deployment
metadata:
  name: web-service
  labels:
    app: frontend
spec:
  replicas: 3

Applications

Common Use Cases

Kubernetes Manifests

Convert JSON service definitions into clean Kubernetes YAML configurations.

CI/CD Workflows

Transform JSON task definitions into GitHub Actions or GitLab CI YAML files.

Guidelines

Specifications & Gotchas

Special Characters in Strings

Ensure strings containing colons or symbols are properly quoted in YAML.

Knowledge

Frequently Asked Questions

How do I convert JSON to YAML?

Paste your JSON in the input box, and the tool will immediately generate clean YAML in the output pane.

Are boolean and null values preserved?

Yes, true, false, and null are mapped to standard YAML literals.

Format and beautify JSON online with customizable indentation, key sorting, and instant syntax validation. 100% private browser-based formatting.

Indent control (2/4/Tab)Sort keysMinify toggle

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