YAML to JSON

Convert YAML configuration, front matter, manifests, and structured data into formatted JSON. The result updates in the browser and can be copied into an API request, test fixture, application config, or debugging tool.

What the YAML to JSON converter handles

YAML mappings become JSON objects, sequences become arrays, and scalar values such as strings, numbers, booleans, and null remain typed values. Nested structures are indented with two spaces so the generated JSON is easy to inspect.

How to convert YAML to JSON

1. Paste valid YAML into the left editor.
2. Review the JSON output or fix any parsing error shown below the editors.
3. Copy the formatted JSON when the structure looks correct.

JSON has no syntax for YAML comments, anchors, tags, or document formatting, so those details are not preserved in the output. Conversion runs locally and does not upload your configuration.

Related tools: JSON to YAML · YAML Formatter