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JSON ↔ YAML Converter

Convert JSON to YAML and back.

name: ada
tags:
  - math
  - cs
active: true
score: 99.5
address:
  city: London

Two-space indentation, scalar quoting only when needed. The YAML parser handles the common subset: nested maps, lists, strings, numbers, booleans, and null. Anchors, aliases, and tagged values are not supported.

About

Two-space YAML output, with quoting only when needed. The YAML parser handles the common subset: nested maps, lists, scalar types. Anchors, aliases, and tags are not supported.

How to use

  1. Pick the direction.
  2. Paste your input.
  3. Copy the output.

FAQ

Why does my output have so many quotes?+

YAML quoting is automatic for strings that look like booleans, numbers, or contain reserved characters. The tool quotes minimally, only when ambiguous.