YAML to JSON Converter

How to convert YAML to JSON

Paste your YAML data into the input box on the left, click Convert, and get JSON output on the right. Everything runs locally in your browser.

Example: YAML → JSON

- name: Alice
  age: 30
  city: Beijing
- name: Bob
  age: 25
  city: Shanghai

[
  {
    "name": "Alice",
    "age": 30,
    "city": "Beijing"
  },
  {
    "name": "Bob",
    "age": 25,
    "city": "Shanghai"
  }
]

About YAML and JSON

YAML (YAML Ain't Markup Language, .yaml) and JSON (JavaScript Object Notation, .json) are common structured data formats. This converter transforms YAML into JSON entirely in your browser — no data is uploaded to any server.

Frequently asked questions