JSON → XML Converter

How to Use the Free Client-Side JSON to XML Converter

This converter translates between JSON and XML in both directions, working entirely in your browser. Nested objects, arrays, and attributes are handled, and type information such as strings, numbers, booleans, and nulls is preserved through the conversion.

You can also configure which JSON properties become XML attributes instead of elements.

1. Copy your JSON or XML data and paste it into the input area.
2. Use the direction toggle to choose JSON to XML or XML to JSON.
3. Click Convert, then copy the output for use in your application.

When to Use JSON to XML Converter

Integration between modern JSON services and legacy XML systems is a daily reality in many organizations, and this converter is the translation layer. Converting JSON API responses to XML lets a modern service feed an older system that only accepts XML, while the reverse direction pulls legacy XML configuration into modern JSON-based applications. Microservices that disagree on serialization standards also use it to bridge their payloads.

The converter handles the structural details that make these conversions painful. Nested objects and arrays convert correctly, with array elements wrapped in repeated parent elements, and type information is preserved rather than flattened into strings. Because JSON objects need a root key to become a valid XML document, wrapping arrays in a container object is the standard pattern. Whether you are migrating configuration or building an adapter, the bidirectional toggle keeps both directions in one place.

JSON to XML Converter Tips and Best Practices

1. Wrap top-level arrays in a container object such as {"items": [...]} so the XML output has a proper root element.
2. Keep element names XML-safe, avoiding spaces and special characters that are not allowed in XML names.
3. Use the attribute configuration to turn specific JSON properties into XML attributes rather than child elements.
4. Remember that a JSON key with spaces converts but may produce invalid XML, so prefer underscores or camelCase in your source keys.

Why Client-Side Privacy Matters for Legacy System Integration and Cross-Format Data Exchange

The data crossing a format boundary is often the most sensitive data in your company: customer records, order details, or internal identifiers shuttling between systems. Uploading that payload to a converter for a format swap creates a copy on a third-party server in the middle of your integration.

This JSON to XML Converter runs entirely in your browser, so the payload never leaves your device. You can translate data between formats for production integrations while keeping every byte under your control.