Data tool · browser-only

YAML to JSON converter.

Convert configuration data between YAML and JSON with a parser that runs in the browser.

Convert

YAML ↔ JSON converter

YAML or JSON

Converted data will appear here.

Convert YAML to JSON online

Move configuration examples between YAML and JSON for API payloads, CI files, app settings, and documentation. The converter reports parser errors in the browser.

Readable output for debugging

JSON output is formatted with indentation, while YAML output is written as a clean block document for easy copying.

Does this support nested YAML?

Yes. The parser supports standard nested YAML structures, arrays, scalars, and common quoted values.