0U
ZeroUpload
Data & Dev Config • Zero-Server RAM Execution

Convert JavaScript Object to XML Online - Free, Local & Instant

Instant JavaScript Object (.js) to XML (.xml) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

JavaScript Object → XML ⇄ Swap (XML → JavaScript Object)

Technical Comparison: JavaScript Object vs XML

Data & Dev Config
Specification JavaScript Object (Source) XML (Target)
Full Specification ES Module JavaScript Object Literal Extensible Markup Language
File Extension & MIME .js (text/javascript) .xml (application/xml)
Data Typing Model Unquoted identifier keys, single-quoted strings, ES export default Element & @attribute nodes with text/CDATA payloads
Structure & Hierarchy Arbitrarily nested JS objects and arrays Tree of parent/child elements and attributes
Comments Support Supported (// and /* */) Supported (<!-- comment -->)
Primary Ecosystem Vite/Webpack configs, TypeScript/JS mock data, Next.js constants Enterprise SOAP feeds, RSS/Atom, Android layouts, Maven POM

JavaScript Object to XML — Before & After Example

Before (JavaScript Object Input)
const data = [
  {
    id: 1,
    name: 'Alice Johnson',
    email: 'alice@example.com',
    role: 'admin',
    active: true,
    score: 98.5,
    address: {
      city: 'Berlin',
      country: 'DE',
    },
  },
  {
    id: 2,
    name: 'Bob Smith',
    email: 'bob@example.com',
    role: 'editor',
    active: false,
    score: 87,
    address: {
      city: 'Austin',
      country: 'US',
    },
  },
  {
    id: 3,
    name: 'Chiara Rossi',
    email: 'chiara@example.com',
    role: 'viewer',
    active: true,
    score: 91.25,
    address: {
      city: 'Milan',
      country: 'IT',
    },
  },
];

export default data;
After (XML Output)
<?xml version="1.0" encoding="UTF-8"?>
<root>
  <item>
    <id>1</id>
    <name>Alice Johnson</name>
    <email>alice@example.com</email>
    <role>admin</role>
    <active>true</active>
    <score>98.5</score>
    <address>
      <city>Berlin</city>
      <country>DE</country>
    </address>
  </item>
  <item>
    <id>2</id>
    <name>Bob Smith</name>
    <email>bob@example.com</email>
    <role>editor</role>
    <active>false</active>
    <score>87</score>
    <address>
      <city>Austin</city>
      <country>US</country>
    </address>
  </item>
  <item>
    <id>3</id>
    <name>Chiara Rossi</name>
    <email>chiara@example.com</email>
    <role>viewer</role>
    <active>true</active>
    <score>91.25</score>
    <address>
      <city>Milan</city>
      <country>IT</country>
    </address>
  </item>
</root>

Frequently Asked Questions: JavaScript Object to XML

How do I convert JavaScript Object to XML online without uploading sensitive files? ▾

Paste your JavaScript Object data or drag and drop a .js file into the converter above. ZeroUpload parses JavaScript Object and serializes XML 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.

How are nested objects or tabular columns mapped between JavaScript Object and XML? ▾

When converting hierarchical structures (Arbitrarily nested JS objects and arrays) and tabular or config formats (Tree of parent/child elements and attributes), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this JavaScript Object to XML converter free for commercial and production config files? ▾

Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary JavaScript Object, database exports, and production secrets.

Can I convert XML back to JavaScript Object? ▾

Yes! Click the "Swap (XML → JavaScript Object)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.