JSON to XML Converter

Use JSON to XML Converter, review the result, and keep the original until the output is checked.

Input JSON
JSON Input
Converted XML
XML Output
Click "Convert to XML" to see converted XML here...
100% browser-side processing — your data is never uploaded to any server. · Per-tool input limit: 1 MB
100% browser-based No upload to server Free to use

Frequently Asked Questions About JSON to XML Converter

Can it fix JSON with trailing commas or comments?

Yes. The repair step removes trailing commas, comments and a byte-order mark, turns single-quoted strings into double-quoted ones and quotes bare member names, then re-reads the document. Values it cannot infer, such as a Python True or a missing closing brace, still need a manual edit.

Why do large numbers change when I format JSON?

JavaScript numbers are IEEE-754 doubles, so most parsers rewrite an integer above 2^53 and lose its tail digits. This page keeps those long literals exactly as you typed them, but a parser elsewhere in your stack will not, so keep such ids as strings in the source document.

What makes XML well formed?

One root element, matched and case-consistent tags, quoted attribute values and escaped special characters such as & and <.

Does it check my XSD or DTD?

The browser parser checks well-formedness only. Schema validation needs the schema processor in your build, so treat a clean result here as a syntax pass, not a contract check.

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It uses objects {}, arrays [], strings, numbers, booleans, and null.

Why format JSON?

API responses and config files are often minified. The JSON to XML Converter expands them with indentation so you can spot nested keys, validate structure, and debug faster.