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›devwrench --run json-to-yaml

Free JSON to YAML Converter
for developers.

Convert JSON to YAML instantly with this free online JSON to YAML converter. Paste any valid JSON object or array and get clean YAML output in real time.

Paste your JSON

Generated YAML

name: Karlo
active: true
age: 34
city: Montreal
tags:
  - developer
  - seo
  - tools
profile:
  email: "karlo@example.com"
  company: DevWrench

Supported

  • JSON objects
  • JSON arrays
  • Nested objects and arrays
  • Strings, numbers, booleans, and null values
  • Live JSON to YAML conversion

Automatically handled

  • YAML indentation is generated automatically
  • Arrays are converted into YAML list syntax
  • Unsafe strings are quoted when needed
  • Nested JSON structures are preserved

Not supported yet

  • Custom YAML formatting preferences
  • Comments in JSON input
  • Advanced YAML features such as anchors and aliases

Free online JSON to YAML converter

This tool converts JSON into YAML instantly in your browser. It is useful when working with configuration files, DevOps workflows, infrastructure code, static site generators, and deployment manifests.

Developers often need to convert JSON to YAML for Docker, Kubernetes, CI/CD pipelines, and config files. This converter gives you a fast way to switch formats without using a command line tool or external service.

The conversion happens locally in your browser. Your data is not uploaded, stored, or sent anywhere.

Example

{
  "name": "Sophie Tremblay",
  "active": true,
  "city": "Montreal",
  "tags": ["dev", "yaml"]
}

Paste this JSON into the converter above to instantly generate the equivalent YAML output.

Convert JSON to YAML online

Use this converter to transform JSON into readable YAML for configuration files, documentation, local development, and deployment workflows.

Common use cases

  • Convert JSON config into YAML for Kubernetes or Docker tools
  • Transform API payloads into a more readable format
  • Prepare YAML examples for documentation
  • Switch between JSON and YAML during development

How it works

The converter parses your JSON input, walks through the structure recursively, and rewrites objects and arrays using YAML syntax and indentation.

Primitive values such as strings, numbers, booleans, and null are preserved. Strings are quoted automatically when needed to avoid invalid YAML output.

The result is formatted so you can copy it directly into configuration files, documentation, or deployment manifests.

FAQ

What is a JSON to YAML converter?

A JSON to YAML converter transforms structured JSON data into YAML format so it can be used in configuration files, DevOps tools, and documentation.

Can I convert nested JSON objects?

Yes. This tool supports nested objects and arrays and preserves the structure in the generated YAML output.

Why would I convert JSON to YAML?

YAML is often easier to read and is widely used in Kubernetes, CI/CD, Docker tooling, and configuration files.

Is this JSON to YAML tool safe?

Yes. The conversion happens locally in your browser and your data is not uploaded.

More developer tools

DevWrench provides a growing collection of browser-based developer tools including JSON utilities, converters, encoders, and debugging helpers.