YAML ↔ JSON Converter

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Convert YAML to JSON and back — pure JS, no dependencies.

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See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use YAML ↔ JSON Converter

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Pick the direction: YAML → JSON or JSON → YAML.

  2. 2

    Step 2. Paste your input.

  3. 3

    Step 3. Click Convert — the result updates in the output box.

  4. 4

    Step 4. Use the swap button to feed the output back as input.

Why use this tool

Frequently asked questions

Everything you might want to know about yaml ↔ json converter.