🔄 XML ↔ JSON Converter

Bidirectional XML-JSON conversion with recursive structure preservation.

XML Input

JSON Output

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📋 When to Use the XML ↔ JSON Converter

The XML ↔ JSON Converter is ideal when you need to convert between formats or units quickly — whether you're reformatting data for a different tool, preparing content for a client, or just trying to make sense of incompatible file types. Use it when working remotely without access to desktop software, when sharing screens in a meeting and need a fast conversion, or when you want to avoid uploading sensitive files to unknown servers. Everything processes in your browser for maximum privacy.

⚙️ How the XML ↔ JSON Converter Works

The XML ↔ JSON Converter processes your input using conversion algorithms that run entirely in your browser. When you paste or upload content and select the output format, JavaScript parses the input, transforms it using format-specific logic (encoding, decoding, parsing, serializing), and produces the converted output. For file conversions, all processing uses browser-native APIs and JavaScript libraries loaded from CDN — your files are never uploaded to any server. The entire pipeline from input to output stays on your device.

How to Use the XML ↔ JSON Converter

Choose direction — Click "XML → JSON" or "JSON → XML" tab. Each has its own input/output panel.
Paste your data — Drop XML on the XML tab or JSON on the JSON tab. Sample data is pre-loaded for testing.
Click Convert — Your data is transformed instantly. XML attributes become @-prefixed JSON keys. Nested elements map to nested objects.
Copy results — Use the Copy button to grab the output. Switch tabs to convert back and verify round-trip fidelity.

Frequently Asked Questions

How are XML attributes handled?

XML attributes are prefixed with @ in JSON: <person id="1"> becomes {"@id": "1"}. This distinguishes attributes from child elements and enables lossless round-trip conversion.

What about repeated elements?

Repeated child elements with the same tag name become JSON arrays. A single element stays as an object. This matches the most common convention for XML-to-JSON conversion.

Can I convert JSON back to the same XML?

Mostly yes, but the root element name for JSON→XML defaults to "root". For perfect round-trips, use the @-prefix convention for attributes in your JSON.

Does it handle namespaces?

Basic namespace prefixes in tags are preserved. Complex namespace scenarios may require manual adjustment. The converter is designed for common API payloads and configuration files.