Converters

YAML to XML Converter

Turn YAML into well-formed XML — with a configurable root element and attribute keys.

Conversion runs locally in your browser. Nothing is uploaded, logged, or stored.

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How to use

  1. Paste your YAML into the input panel.
  2. Set the root element name (used when the YAML has no single top-level key).
  3. Click Convert to produce well-formed XML with an XML declaration.
  4. Copy or download the result.

How the conversion works

YAML mappings become XML elements, lists become repeated sibling elements, and scalar values become element text. Keys starting with @ are emitted as XML attributes — a convention compatible with the XML to JSON converter, so round-trips stay predictable. Empty values render as self-closing tags.

Because XML requires exactly one root element, a YAML document with several top-level keys is wrapped in the root element you choose. Going the other way? Use the XML to YAML converter.

Examples

SOAP-style payloads

Convert a YAML request definition into the XML shape expected by a legacy SOAP endpoint.

Interchange with XML tooling

Bridge modern YAML config into XML for toolchains that only read XML, such as certain build systems.

Frequently Asked Questions

Is my data uploaded anywhere?+
No. Parsing and serialization happen entirely in your browser.
How do I create XML attributes from YAML?+
Prefix the YAML key with @ — for example, "@id": "42" becomes id="42" on the parent element.
What root element is used?+
If the YAML has a single top-level key, that key becomes the root element. Otherwise the value of the Root element option (default: root) wraps the document.
What if my YAML is invalid?+
The parser error is shown with line and column numbers. Fix the YAML and convert again.

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