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JSON to XML Converter

Convert JSON data to structured XML or XML back to clean JSON with live real-time preview. 🔒 100% Client-Side Processing • Your data never leaves your browser.

JSON Input
0 chars • 0 lines Live Auto-Convert
XML Output

Live converted output will appear here

Type or paste in the input pane, or upload a file to convert.

0 chars • 0 lines Ready

How to Convert JSON to XML

Convert your API payloads, datasets, and configurations securely in four simple steps.

1

Paste or Upload

Paste your JSON string into the editor or upload a .json file directly from your computer.

2

Configure Options

Set custom root and item element names, choose indentation spacing, and toggle XML declarations.

3

Instant Conversion

The parser validates syntax in real-time and renders structured, clean XML directly in your browser.

4

Copy or Download

Copy the formatted XML output with one click, or download it as a ready-to-use .xml document.

Why Choose ToolLab

Private & High-Performance Data Transformation

Developers and data engineers frequently work with both modern JSON-based REST APIs and legacy enterprise XML feeds (such as SOAP, RSS, and ERP systems). Translating data between these formats traditionally meant relying on third-party servers that expose sensitive customer credentials, confidential payloads, or database keys.

ToolLab's JSON to XML Converter runs 100% locally inside your web browser. Using native JavaScript DOM structures, your records are converted with zero latency, zero cloud storage, and complete privacy.

Key Capabilities

  • Bi-Directional Conversion: Instantly toggle between JSON to XML and XML to JSON with the one-click Swap button.
  • Custom Root & Item Elements: Configure your own root tag and repeated array item names to suit external XML schemas.
  • XML Attributes Support: Automatically map keys prefixed with "@" (like "@id") directly to XML tag attributes.
  • Formatting & Minification: Choose 2 spaces, 4 spaces, tabs, or compressed minified XML to reduce data payload size.

Frequently Asked Questions

Yes, absolutely. All conversion, formatting, and parsing happen 100% locally inside your web browser. Your data is never uploaded to any server or third-party service.

Yes! You can convert JSON to XML or switch to XML to JSON mode with dedicated mode buttons, allowing seamless two-way conversion directly in your browser.

Array elements are nested as repeated child tags within their parent property. You can configure the default item tag name (e.g. <item> or <element>) in the conversion options.

Keys prefixed with "@" (such as "@id" or "@class") or an "@attributes" dictionary are automatically converted into XML tag attributes rather than child nodes.

Yes. You can select your preferred indentation level (2 spaces, 4 spaces, tabs) for pretty printing, or choose Minify for compact, production-ready strings.

Yes, you can upload .json or .xml files using the file picker, drag and drop files directly onto the editor, or paste content from your clipboard.

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