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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• 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