JSON to YAML
YAMLConvert JSON data to YAML format instantly
All processing happens locally in your browser — your data never leaves your machine.
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Examples
Basic Object
Input
{"name":"John","age":30,"city":"New York"}Output
name: John
age: 30
city: New York
Nested Object
Input
{"server":{"host":"localhost","port":8080,"ssl":false},"database":{"url":"postgres://localhost/mydb","pool":5}}Output
server:
host: localhost
port: 8080
ssl: false
database:
url: postgres://localhost/mydb
pool: 5
Array of Objects
Input
{"users":[{"id":1,"name":"Alice","role":"admin"},{"id":2,"name":"Bob","role":"user"}]}Output
users:
- id: 1
name: Alice
role: admin
- id: 2
name: Bob
role: user
Frequently Asked Questions
- How does the JSON to YAML converter work?
- Paste your JSON into the input panel and it will be automatically converted to YAML format. You can customize the indent size (2 or 4 spaces). All processing happens locally in your browser using the js-yaml library.
- Is my data safe when converting JSON to YAML?
- Yes. All conversion is done locally in your browser using JavaScript. Your data never leaves your machine — nothing is sent to any server.
- What JSON structures are supported?
- The converter supports all valid JSON including objects, arrays, nested structures, strings, numbers, booleans, and null values. Any valid JSON will be converted to its YAML equivalent.