JSON → YAML Converter

Convert JSON to YAML. Paste JSON or import a file; preview, copy, and download.

JSON
Paste JSON directly or import a .json or .txt file from this device.
YAML
YAML output updates as soon as the input contains valid JSON.
hello: world
items:
  - 1
  - 2
  - 3
nested:
  a: true
  b: null

What this tool is for

Use this tool when you need to turn valid JSON into YAML that is easier to scan, share, or commit. Everything runs locally in the browser.

Where it helps

  • Converting API examples into YAML for docs or config files.
  • Rewriting copied JSON payloads into a format that is easier to diff by eye.
  • Preparing structured content for tools and workflows that expect YAML.

What to watch for

  • Input must be valid JSON in this tool.
  • The converter preserves data structure, but YAML presentation can still differ from hand-written style.
  • If you need to go the other direction, use the YAML to JSON converter instead.