CoderTools

JSON YAML Converter

Convert between JSON and YAML formats with custom indentation and flow/block style support

About JSON-YAML Converter

JSON (JavaScript Object Notation) and YAML (YAML Ain't Markup Language) are two popular data serialization formats used in configuration files, data exchange, and API development.

This converter allows you to easily convert between JSON and YAML formats. YAML is more human-readable with its indentation-based syntax, while JSON is more compact and widely supported in programming languages.

Key Features

Bidirectional conversion: JSON to YAML and YAML to JSON
Custom indentation support (2 spaces, 4 spaces, or tabs)
YAML flow style and block style support
Syntax validation and error reporting
Preserve data types (strings, numbers, booleans, null)
Download converted files directly

JSON Format Features

  • Compact syntax with braces and brackets
  • Requires quotes for all keys and string values
  • Widely supported across all programming languages

YAML Format Features

  • Human-readable indentation-based syntax
  • No quotes required for most strings
  • Support for comments (using # symbol)
  • Two styles: Block style (readable) and Flow style (compact)

Common Use Cases

  • Convert configuration files between formats (Docker, Kubernetes, CI/CD)
  • Transform API responses to readable YAML
  • Generate JSON from YAML configuration templates
  • Data migration between different systems

Related Tools