The Toolbox

YAML to JSON vs JSON to YAML

Convert config and data files between YAML and JSON in either direction.

YAML to JSON

Convert YAML to JSON instantly with configurable indentation, pretty-print toggle, and detailed parse error reporting. 100% client-side.

  • yaml to json
  • yaml converter
  • yaml parser
  • yml to json
  • yaml json transform
Open YAML to JSON

JSON to YAML

Convert JSON to YAML instantly with configurable indent, line width, and key sorting. 100% client-side — nothing uploaded.

  • json to yaml
  • json to yaml converter
  • yaml converter
  • convert json
  • js-yaml
Open JSON to YAML

Which should you use?

Both YAML to JSON and JSON to YAML are 100% free, run entirely in your browser, and need no sign-up. Pick whichever matches your task — or keep both bookmarked.