YAML ⇄ JSON

Runs locally

Convert YAML config to JSON or back, live, with precise error positions on bad indentation.

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This tool runs locally in your browser — your content is never uploaded to a server.

How to use

  1. 1.Pick a direction: YAML → JSON or JSON → YAML.
  2. 2.YAML → JSON: paste your config and get formatted JSON live.
  3. 3.JSON → YAML: paste JSON and get cleanly indented YAML.
  4. 4.Click “Copy” to save; syntax errors report the exact line.

FAQ

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