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YAML ↔ JSON Converter
Convert YAML to JSON or turn JSON back into YAML with inline validation for common configuration structures.
yaml to jsonjson to yamlyaml converteryaml json converter
This converter handles common YAML structures such as objects, arrays, booleans, numbers, null values, and nested indentation.
How to use
How to convert common YAML configs into JSON and back again
- 1 Paste YAML into the left panel when you want to inspect a config file, compare values, or turn nested indentation into JSON.
- 2 Use YAML → JSON to parse key-value pairs, arrays, booleans, numbers, null values, and simple nested objects.
- 3 Paste JSON into the right panel and choose JSON → YAML when you want a cleaner configuration-style representation.
- 4 Watch the validation message after each conversion to catch indentation mistakes, malformed JSON, or unsupported YAML patterns.
- 5 Copy the result from either side and use it in config files, API fixtures, CI pipelines, or developer documentation.
YAML and JSON often represent the same data in different environments. JSON is common in APIs and browser tooling, while YAML is widely used for configuration files, CI workflows, and deployment manifests. Being able to move between the two formats quickly is useful when you are translating data for another system, validating nested values, or turning a human-friendly config into a structure that a script can consume directly.
This converter focuses on the most common YAML patterns instead of the entire spec, which keeps it practical for everyday work. It handles indentation-based objects, arrays, quoted and unquoted strings, numbers, booleans, and nulls—all the patterns that appear constantly in config files. For advanced YAML features such as anchors, tags, or multiline block scalars, a specialized parser is still the safer choice, but the simple inline approach covers a large share of real usage.
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