YAML ↔ JSON Converter

Convert between YAML and JSON. Paste YAML or JSON and get the other format instantly.

Indent:

YAML Input

JSON Output

Converted output will appear here...

About YAML and JSON

YAML is often used for config files (e.g. Docker Compose, GitHub Actions, Kubernetes). JSON is used in APIs and frontend configs. This tool converts between them without sending data to a server—everything runs in your browser.