devkits-json-xml

devkits-json-xml

Convert between JSON and XML formats. Bidirectional converter with zero dependencies.

Install

npm install -g devkits-json-xml

Usage

CLI

# JSON to XML
jsonxml to-xml '{"name":"Alice","age":30}'
jsonxml to-xml '{"items":[1,2,3]}' -r data

# XML to JSON
jsonxml to-json '<root><name>Alice</name></root>'

# Custom options
jsonxml to-xml '{"a":1}' -r custom -i 4

Programmatic API

const { jsonToXml, xmlToJson } = require('devkits-json-xml');

// JSON to XML
const xml = jsonToXml({ name: 'Alice', age: 30 });
console.log(xml);
// <root>
//   <name>Alice</name>
//   <age>30</age>
// </root>

// XML to JSON
const json = xmlToJson('<root><name>Alice</name></root>');
console.log(json);
// { root: { name: 'Alice' } }

// Custom root and indent
jsonToXml({ a: 1 }, 'data', '    ');

Conversion Rules

JSON → XML

JSON	XML
{"key": "value"}	<key>value</key>
{"key": 123}	<key>123</key>
{"key": null}	<key/>
{"key": []}	<key/>
{"key": [1,2]}	<key><item>1</item><item>2</item></key>
Nested objects	Nested elements

XML → JSON

XML	JSON
<key>value</key>	{ key: "value" }
<key>123</key>	{ key: 123 }
<key/>	{ key: "" }
<key attr="1"/>	{ key: { "@attr": "1" } }
<a><b>1</b></a>	{ a: { b: 1 } }

Options

Option	Alias	Default	Description
--root	-r	root	Root element name
--indent	-i	2	Indentation spaces

Examples

# Simple object
$ jsonxml to-xml '{"name":"DevKits"}'
<?xml version="1.0" encoding="UTF-8"?>
<root>
  <name>DevKits</name>
</root>

# Nested object
$ jsonxml to-xml '{"user":{"name":"Alice","age":30}}'
<?xml version="1.0" encoding="UTF-8"?>
<root>
  <user>
    <name>Alice</name>
    <age>30</age>
  </user>
</root>

# Array
$ jsonxml to-xml '{"items":[1,2,3]}'
<?xml version="1.0" encoding="UTF-8"?>
<root>
  <items>
    <item>1</item>
    <item>2</item>
    <item>3</item>
  </items>
</root>

# XML to JSON
$ jsonxml to-json '<user><name>Alice</name><age>30</age></user>'
{
  "user": {
    "name": "Alice",
    "age": 30
  }
}

Use Cases

• API integration — Convert between REST (JSON) and SOAP (XML) APIs
• Data migration — Transform legacy XML data to JSON
• Configuration — Convert config files between formats
• Testing — Generate test data in different formats
• ETL pipelines — Process data from XML sources to JSON targets

Features

• Bidirectional — Both JSON→XML and XML→JSON
• Type preservation — Numbers, booleans detected automatically
• Attribute support — XML attributes prefixed with @
• Nested structures — Full support for nested objects/arrays
• Custom root — Configurable root element name
• Pretty printing — Configurable indentation

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See Also

• DevKits — All 82 free developer tools in one place
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• JWT Decoder — Decode JWT tokens
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• Hash Generator — Create MD5, SHA1, SHA256 hashes
• CSS Tools — CSS minifier, formatter, validator
• HTML Tools — HTML formatter, minifier
• URL Tools — URL encode/decode, parse
• Color Converter — Convert HEX, RGB, HSL colors
• Regex Tester — Test and debug regular expressions

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License

MIT — DevKits Team