YAML ⇄ JSON Converter

Convert YAML and JSON both ways for config validation and quick transformations.

Shortcuts: Ctrl/Cmd+Enter (Sample), Ctrl/Cmd+Shift+C (Copy), Ctrl/Cmd+S (Download)
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How to Use

  1. 1

    Choose conversion direction.

  2. 2

    Paste YAML or JSON in the input area.

  3. 3

    Read the converted output instantly on the right.

Features

  • Bidirectional conversion
  • Syntax error feedback
  • Sample data included
  • Copy-ready output

FAQ

Q. Does it support YAML comments?

A. It parses standard YAML, but comments are not preserved in JSON output.

Q. Can I customize output indentation?

A. Current version uses standard 2-space formatting.

Technical Notes

YAML parsing is powered by js-yaml, then transformed through JavaScript objects.

JSON is validated strictly with JSON.parse / JSON.stringify.

Security & Privacy

All conversion runs locally in your browser with no external upload.

Useful for handling private config snippets safely.