JSON Tool
JSON to YAML Converter
Convert JSON to YAML format. Perfect for creating Kubernetes configs, Docker Compose files, and more.
JSON InputInvalid
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Line 1: Unexpected end of JSON input
YAML Output
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About JSON to YAML Converter
This tool converts JSON (JavaScript Object Notation) into YAML (YAML Aint Markup Language). YAML is a human-readable data serialization format commonly used for configuration files.
Why Use YAML?
- More Readable: YAML uses indentation instead of brackets, making it easier to read
- Comments: YAML supports comments, unlike JSON
- Less Syntax: No need for quotes around most strings or commas between elements
- Multi-line Strings: Better support for long text blocks
Common Use Cases
- Kubernetes configuration files
- Docker Compose files
- CI/CD pipeline configurations (GitHub Actions, GitLab CI)
- Ansible playbooks
- Application configuration files
YAML vs JSON
| Feature | JSON | YAML |
|---|---|---|
| Readability | Good | Excellent |
| Comments | No | Yes |
| File Size | Larger | Smaller |
| Parsing Speed | Faster | Slower |
YAML's Gotchas
YAML looks simple until you hit the edge cases. yes becomes a boolean. 1.0 might be a float or might be a string. Norway's country code (NO) infamously becomes false.
JSONLint's converters handle these quirks correctly, producing YAML that round-trips cleanly back to the same JSON you started with.