YAML to XML

Convert YAML data formats into clean XML documents.

100% Client-Side Local Execution

Upload Data

1
2
3

server:
  host: localhost
  port: 8080

server:
  host: localhost
  port: 8080

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <server>
    <host>localhost</host>
    <port>8080</port>
  </server>
</root>

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <server>
    <host>localhost</host>
    <port>8080</port>
  </server>
</root>

What is YAML to XML?

This yaml to xml converter transforms YAML configuration or data files into XML markup, for the less common but occasionally necessary case of feeding YAML-authored data into a system that only accepts XML. It preserves the mapping and sequence structure from your YAML as nested XML elements. Paste YAML, get back valid XML.

Technical Execution

The converter parses the YAML document into its native structure (mappings, sequences, scalars), then walks that structure to generate XML, turning each mapping key into an element tag name and each sequence item into a repeated sibling element.

Zero Data Storage Guarantee

Although this is a rarer conversion path, the YAML files involved can still hold service names or config values tied to your systems. The conversion runs fully in your browser, so nothing is sent to an external server.

How to Use YAML to XML (Step-by-Step Guide)

Paste your YAML content into the input field
The tool parses the structure and converts it into XML
Review the generated element names and nesting
Adjust the root element name if the tool allows it
Copy the XML output or download it as a .xml file

Frequently Asked Questions (FAQ)

Q: Why would I need to convert yaml to xml online?

A: This mostly comes up when integrating a YAML-authored config into a legacy system or XML-based API that doesn't accept YAML or JSON directly.

Q: Is this a common conversion?

A: No, it's a fairly rare direction since most tooling pairs YAML with JSON rather than XML, but it's useful for specific legacy integrations.

Q: How are YAML lists represented in XML?

A: Each item in a YAML sequence becomes a repeated XML sibling element sharing the same tag name, since XML has no native list type.

Q: Is the tool free?

A: Yes, no cost or account needed.

Q: What happens with YAML scalar types like booleans and numbers?

A: They're converted to their text representation as XML element content, since XML itself has no typed values.

Q: Can it handle multi-document YAML files?

A: Multiple YAML documents (separated by ---) are typically handled as separate top-level XML structures or wrapped under a shared root.

Q: Does it support YAML anchors and aliases?

A: Basic anchors and aliases are generally resolved to their expanded values before XML generation.

Q: How is this different from yaml-to-json?

A: Both parse the same YAML input; this one outputs XML tags and nesting, while yaml-to-json outputs JSON's object/array syntax.

Report an issue with this tool