How it works
How to use the YAML to XML
Paste or open YAML
Paste your YAML, drop a file onto the editor, or load the sample.
Adjust the options
Attributes become keys prefixed with "@" and element text becomes "#text"; repeated elements become arrays.
Copy or download the XML
The output updates as you type. Invalid input is highlighted with the exact line and column.
About YAML and XML
YAML is a human-friendly superset of JSON that uses indentation instead of braces. It is the format of Kubernetes manifests, Docker Compose, GitHub Actions and most CI configs.
XML (Extensible Markup Language) represents data as nested elements with attributes. It is still everywhere in enterprise systems, SOAP services, RSS feeds, Office documents and Android resources.
How the conversion works
Attributes become keys prefixed with "@" and element text becomes "#text"; repeated elements become arrays. Conversion happens entirely in your browser, so even sensitive data never leaves your device.
Built for developers
Why developers use it
Private by design
Runs 100% in your browser. Nothing you paste is uploaded, logged or stored on a server.
Instant results
Output updates as you type, with precise error locations when something is wrong.
Works offline
Once loaded, the tool keeps working without a connection. Install it as an app if you like.
Free, no sign-up
No accounts, no limits, no watermarks.
FAQ
Frequently asked questions
Is YAML to XML conversion lossless?
The data is preserved. Formatting details that XML cannot represent (such as comments or attribute-versus-element choices) may change.
Can I convert XML back to YAML?
Yes — press Swap to reverse the direction, or open the XML to YAML converter.
Is my data uploaded anywhere?
No. Everything runs locally in your browser — nothing you paste or open is sent to a server, logged or stored. The tool keeps working offline once the page has loaded.
Keep going
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