JSON to YAML Converter

Convert between JSON and YAML formats with syntax highlighting and detailed error messages.

JSON 0 characters
YAML 0 characters

About JSON and YAML

JSON (JavaScript Object Notation) and YAML (YAML Ain't Markup Language) are both popular data serialization formats. JSON is widely used for APIs and configuration, while YAML is often preferred for configuration files due to its human-readable syntax.

Features

  • Bidirectional conversion between JSON and YAML
  • Configurable indentation (2 or 4 spaces)
  • Optional alphabetical key sorting
  • Detailed error messages with line and column numbers
  • Client-side processing - your data never leaves your browser

JSON vs YAML

FeatureJSONYAML
SyntaxBraces and bracketsIndentation-based
CommentsNot supportedSupported (#)
ReadabilityGoodExcellent
Common useAPIs, web servicesConfig files, DevOps