Online XML to JSON Converter

Convert hierarchical XML data into lightweight JSON objects. Ideal for migrating SOAP services to RESTful APIs.

EN TR RU

Input

XML

Output

Bridging the Gap: From SOAP/XML to REST/JSON

While the web has largely moved to JSON, countless legacy systems, enterprise service buses (ESB), and industry standards (like OTA for travel or HL7 for healthcare) still rely heavily on XML. For modern frontend developers utilizing React, Vue, or mobile frameworks, consuming XML APIs is cumbersome and requires heavy parsing logic. Our XML to JSON Converter acts as an interoperability bridge. It parses complex XML trees, intelligently handling namespaces, attributes, and mixed content, and serializes them into clean, lightweight JSON objects ready for immediate consumption by JavaScript applications.

Handling the "Impedance Mismatch": Attributes vs Properties

XML and JSON represent data differently. XML allows data to be stored in both element text and attributes (e.g., `John`), whereas JSON only uses key-value pairs. A naive conversion would simply output "John" and lose the ID. Our tool employs a robust parsing strategy that preserves this metadata. It maps attributes to specific JSON keys (often prefixed like `@attributes` or `_`), ensuring that no critical data points—such as IDs, language codes, or metadata types—are lost during the transformation process. This is crucial for maintaining data integrity in migration projects.

Solving the Single-Item Array Dilemma

One of the most notorious bugs in XML-to-JSON conversion is inconsistent array handling. If an XML node has multiple children, it converts to a JSON array. However, if it has only one child, many parsers convert it to a single object. This inconsistency breaks code that expects to iterate over a list. Our converter is designed to recognize repeating patterns. It attempts to enforce array structures where appropriate, ensuring that your consuming code doesn't crash with type errors when an endpoint returns a single result instead of a list.

FAQ
Namespaces are treated as part of the tag name (e.g., `soap:Body`) or preserved as attributes depending on the structure. This ensures that element collision is avoided in the resulting JSON.
Yes. Since the processing happens client-side using efficient JavaScript libraries, you can convert large files (like Google Shopping feeds or sitemaps) without uploading them to a server.
Absolutely. CDATA sections, often used to contain HTML or raw text within XML, are correctly parsed and escaped into JSON string values, preserving the inner content exactly as is.
Yes. We follow a strict "zero-knowledge" policy. The conversion executes entirely within your browser's sandbox environment. Your XML data never leaves your device.
This is to prevent data loss. Since JSON doesn't support attributes on values, we wrap the text content and attributes in a parent object to keep both accessible.