JSON ↔ YAML Converter

Convert between JSON and YAML. All processing happens in your browser — nothing is sent to any server.

Indent

Flow style at depth

Sort keys

JSON Input

Upload

{
  "server": {
    "host": "localhost",
    "port": 8080,
    "debug": true
  },
  "database": {
    "url": "postgresql://localhost/mydb",
    "pool": { "min": 2, "max": 10 }
  },
  "features": ["auth", "cache", "logging"],
  "timeout": 30,
  "description": "My application config"
}

YAML Output

Output appears here…

Conversion notes

JSON → YAML

JSON arrays become YAML sequences (- item)
JSON objects become YAML mappings
null, true, false preserved as-is
Strings with special chars are auto-quoted
Flow style: objects/arrays on one line at set depth

YAML → JSON

Sequences become JSON arrays
Mappings become JSON objects
yes/no/on/off → true/false
~ → null
Numbers auto-typed