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JSON ⇄ YAML Converter

JSON ⇄ YAML Converter

Bidirectional conversion between JSON and YAML with advanced formatting options

Input & Settings

JSON → YAML
2 spaces
80 chars

Format Examples & Use Cases

JSON Format

Compact, machine-readable data interchange format.

{
  "server": {
    "host": "localhost",
    "port": 8080,
    "ssl": true
  },
  "database": {
    "url": "mongodb://localhost",
    "name": "myapp"
  }
}

YAML Format

Human-readable, great for configuration files.

server:
  host: localhost
  port: 8080
  ssl: true

database:
  url: mongodb://localhost
  name: myapp

    About this tool

    Convert JSON to YAML and YAML to JSON online. Free bidirectional converter with auto-detection and formatting options — no signup required. JSON ⇄ YAML Converter runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.

    What this tool does not do

    • JSON ⇄ YAML Converter is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.

    How do I use this tool?

    1. How do I use JSON ⇄ YAML Converter?

      Open JSON ⇄ YAML Converter, enter or paste your input, and copy the result. The page works without an account.

    Related guides

    Moving Configuration Between TOML, JSON and YAML: What Survives the Trip

    Converting config formats sounds trivial until your dates vanish, your comments disappear, and your multiline string gets folded into one line.

    XML to JSON: Converting Legacy Data for Modern APIs

    Why the API world moved from XML/SOAP to JSON, the attribute-handling quirks that still trip converters up, and how to bridge the two formats safely in a client-side tool.

    JSON Formatting and Validation: Best Practices

    Why strict JSON breaks so easily, the syntax errors that cause most failures, and the formatting habits that make JSON readable in diffs and reviews — with validation, minifying, and search tips.

    JSON vs YAML vs CSV vs TOML: Which Data Format Should You Use?

    A practical comparison of the four most common config and data formats — syntax, strengths, and when each one is the right choice, with side-by-side examples.

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