Data format tools
YAML to JSON Converter
Convert YAML and JSON in both directions, validate parse errors, format output, reset input, copy results, or download files.
Configuration data stays in the browser while parsing, validation, copy, download, and clear controls run.
YAML
SOURCEJSON
Bidirectional
Convert YAML to JSON or JSON to YAML without changing tools.
Validation feedback
Parse errors are shown in the editor so malformed config is easier to fix.
Download output
Export converted JSON or YAML after formatting and review.
Conversion Notes
Config files
Useful for Docker Compose, GitHub Actions, Kubernetes snippets, and app settings.
Manual review
YAML anchors, tags, or advanced syntax may need review when converting to JSON.
FAQ
Is YAML or JSON uploaded?
No. Conversion, validation, formatting, reset, copy, and download actions run locally in your browser.
Can I convert both directions?
Yes. Switch between YAML to JSON and JSON to YAML, then format or download the result.
What example data can I try?
Try a small config object with name, version, scripts, and feature flags to check nested arrays and booleans.