JSON ↔ YAML converter

YAML and JSON describe the same data in different styles — YAML is indentation-based and easy to read, JSON is compact and everywhere. Paste one to get the other; conversion runs entirely in your browser.

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JSON ↔ YAML converter

Convert JSON and YAML

Input
Output
Output appears here…

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How it works

  1. 1

    Paste your input on the left.

  2. 2

    Pick a mode if the tool has one — the result updates instantly.

  3. 3

    Copy the output with one click. Nothing is ever uploaded.

Frequently asked questions

Does it handle nested data?

Yes — nested objects and arrays, booleans, numbers, null and quoted strings all convert both ways.

Is my data uploaded?

No — it converts on your device, so it’s safe for config that contains secrets.