DataShift

Convert YAML to XML Online

Convert a YAML document to well-formed XML with configurable element naming.

YAML → XML

Free YAML to XML converter. Converts YAML mappings and sequences to valid XML. Configurable root and item element names. Works in your browser.

100% local — no uploads
Input · YAML

Output will appear here

How to use the YAML → XML

  1. Paste or upload your YAML data

    Paste text directly into the input box, drag and drop a file onto it, or click "Upload file" to browse. Conversion starts instantly on paste — no button click required.

  2. Configure options (optional)

    Open the Options panel to customise delimiter, headers, nested-object flattening, and more. Use the Field Selector to pick exactly which columns appear in the output.

  3. Copy or download your XML

    Click Copy to grab the result, or Download to save the file. Everything runs locally in your browser — no data ever leaves your device.

Frequently Asked Questions

Is my data safe?
Yes. Every conversion runs entirely inside your browser. No data is ever transmitted to a server. The tool works offline once loaded.
What is the maximum file size?
There is no hard limit. Files under 1 MB convert instantly. Files 1–10 MB show a progress indicator. Files over 10 MB prompt a warning and run in a background thread to keep the browser responsive.
Why does my YAML fail to parse?
Common causes are trailing commas, single-quoted strings, unquoted keys, or missing closing brackets. The converter auto-repairs many of these and tells you exactly what it changed.
Can I convert multiple files at once?
The tool handles one file at a time. For bulk conversion, consider the csvjson CLI or API.

Related Converters

How it works

Step 1

YAML → JSON → XML pipeline

YAML is first parsed to a JavaScript object, then serialized to XML using the same logic as the JSON to XML converter.

Example

YAML config to XML

Input
server:
  host: api.example.com
  port: 443
  tls: true
Output
<?xml version="1.0"?>
<root>
  <server>
    <host>api.example.com</host>
    <port>443</port>
    <tls>true</tls>
  </server>
</root>

Frequently asked questions

What happens to YAML sequences in the XML output?

Sequences produce repeated elements with the same tag name, just like converting a JSON array to XML.

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All conversions run in your browser — nothing is uploaded.

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