YAML ↔ JSON Converter

Quickly convert config files between YAML and JSON.
Input
Runs in your browser
Tip: supports common YAML structures (objects and arrays).
Output

          
Privacy note: conversion happens locally in your browser.

What this converter does

Convert YAML to JSON and JSON to YAML for config and data files.

Supported syntax

Supports common YAML structures including nested objects and arrays.

When to use it

Use it to move data between config formats or APIs.

How to convert YAML and JSON

Paste input, choose direction, and convert.

  1. Paste YAML or JSON into the input.
  2. Choose YAML → JSON or JSON → YAML.
  3. Copy the output.

FAQ

Does this tool upload my data?
No. Everything runs locally in your browser.
Is full YAML supported?
It supports common YAML but not every advanced feature.
Can I convert arrays?
Yes, arrays are supported.