JSON ↔ YAML Converter
Convert JSON to YAML and back — live preview with copy.
About this tool
Move config between JSON APIs and YAML-first tools (Kubernetes, CI, Ansible). Switch direction, paste input, and copy the result instantly.
What you get
- JSON → YAML with nested maps and lists
- YAML → pretty-printed JSON
- Parse errors with a clear message
How to use
Choose JSON→YAML or YAML→JSON, paste your document, and copy the output. Supports common YAML structure (maps, lists, scalars).
FAQ
How do I convert JSON to YAML online?
Paste valid JSON, choose JSON→YAML, and copy the output. Nested objects become indented maps and arrays become YAML lists.
Can I convert YAML back to JSON?
Yes—switch to YAML→JSON and paste your YAML document. The result is pretty-printed JSON you can drop into APIs or config tools.
Is JSON to YAML conversion lossless?
For standard nested objects, arrays, strings, numbers, booleans, and null, the structure is preserved. Comments and YAML-specific anchors are not carried into JSON.
Why convert between JSON and YAML?
APIs and front-end tooling often use JSON, while Kubernetes, CI pipelines, and Ansible favor YAML. Converting saves manual reformatting when moving configs between stacks.
By using this tool you agree to our Terms of Use and Privacy Policy. Results are provided as-is without warranty.