Create configuration drafts
Convert JSON examples into readable YAML for deployment, automation and documentation files.
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Convert tool
JSON to YAML Converter
Convert JSON to readable YAML locally in your browser for configuration, documentation and review.
✓ Free to use✓ No signup✓ Runs locally
160 bytes · local only
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Processed entirely in this tab
Your input and result are not sent to JSON Hearth or stored on a server.
When to use it
What JSON to YAML helps you do
JSON and YAML can represent many of the same data structures. YAML is often easier for humans to edit, while JSON has stricter syntax.
Review nested data
Use YAML's indentation-focused representation to inspect objects and arrays.
Migrate examples
Translate sample payloads when a tool or project expects YAML rather than JSON.
Important limitations
What to check before using the result
- Comments and formatting preferences cannot be inferred from JSON because JSON does not contain them.
- Some YAML features have no direct JSON equivalent and will not be introduced automatically.
Common questions
About JSON to YAML
Will JSON comments be included in YAML?
Standard JSON has no comments, so there are no comments available to carry into the YAML output.
Are JSON and YAML always interchangeable?
Their common data model overlaps heavily, but YAML supports additional syntax and types that may not round-trip through JSON.