YAML Formatter

Convert JSON ↔ YAML, format output, copy or download — processed in your browser.

YAML / JSON

js-yaml · browser-only

● Ready

Input

Output

What is YAML used for?

YAML is a human-readable data format common in Docker Compose, Kubernetes, CI configs and Ansible playbooks.

JSON → YAML → JSON preserves data types. Comments in YAML are dropped when converting to JSON.