The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

GitHub

/ Tools

■

/ Tool Finder

109 tools

/ JSON to YAML

JSON

YAML

/ Selected Tool

JSON to YAML

Convert between JSON and YAML formats

■ 01

What is JSON and YAML?

JSON (JavaScript Object Notation) is a lightweight data format using brackets and braces to structure data. YAML (YAML Ain't Markup Language) is a more human-readable format that uses indentation instead of brackets. Bo…

■ 02

How does it work?

The converter parses the structure of your input format and transforms it to the target format while preserving the data hierarchy. When converting JSON to YAML, brackets are replaced with indentation and colons. When c…

■ 03

Sample Case

Covers Simple object so you can compare common inputs and outputs quickly.

/ Code

■

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// npm install js-yaml
// npm install @types/js-yaml --save-dev

import yaml from 'js-yaml';

function jsonToYaml(jsonString: string): string {
  const obj = JSON.parse(jsonString);
  return yaml.dump(obj, {
    indent: 2,
    lineWidth: -1,