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JSON ↔ YAML

Convert between JSON and YAML formats. Perfect for config files, API specs, and CI/CD pipelines.

JSON Input

YAML Output

name: my-app
version: 1.0.0
config:
  port: 3000
  host: 0.0.0.0
  debug: true
dependencies:
  - react
  - next
  - tailwindcss
scripts:
  dev: next dev
  build: next build

173 chars

How to use this tool

Translate configuration-shaped data between JSON and YAML without hand-editing punctuation or indentation.

Suggested workflow

Select the source and target format.
Paste valid input into the editor.
Validate the generated output before committing it.

Good to know

YAML treats some unquoted values specially, so review strings that look like dates, booleans, or numbers.

JSON ↔ YAML - CodeTools Toolbox - 47 free online developer tools.