Nested structures
JSON objects and arrays are converted with readable indentation.
Offline engine (processed locally)YAML v1.0.0 Spec
JSON to YAML
v1.0.0Quickly transform your JSON into clean, indented YAML. This free online converter preserves data types, ordering, and nested structures, making it ideal for Kubernetes manifests, docker-compose files, and CI/CD configs. No download required, completely browser-based.
—ms
JSONInput (JSON)Invalid
lines: 5chars: 115Size: 115 BUTF-8
YAMLOutput (YAML)
Auto-generated
Converted output will appear herelines: 0chars: 0Size: 0 BUTF-8
Size change: -100.00%TOML compliant: v1.0.0Tool guide
Local processing
Your JSON data stays on your device.
Configuration ready
Useful for Docker Compose and CI/CD configuration files.
Read the result in your project
import yaml from "js-yaml";\nimport { readFile } from "node:fs/promises";\n\nconst input = JSON.parse(await readFile("data.json", "utf8"));\nconsole.log(yaml.dump(input));