JSON to YAML
Serialize JSON values as YAML 1.2.
Local processing · Nothing is uploaded · 1 MB input limit
Input & settings
Ready. Enter your input to begin.
How to use this tool
Paste your source, choose the supported options, then process. Inspect or download the complete result.
Limits and behavior
JSON-compatible scalar, object and array values only. YAML output preserves JSON value types. Maximum total input 1 MB, output 3 MB, JSON nesting 64 levels. Processing stays in your browser worker. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Convert JSON objects and arrays into YAML
Serialize supported JSON values as YAML 1.2 data, useful for configuration files and readable data interchange.
Can JSON-to-YAML conversion preserve JSON whitespace?
No. YAML is a different serialization format. The data values are represented in YAML syntax, not the original JSON formatting.
Related tools: YAML to JSON · JSON validator