0U
ZeroUpload
Data & Dev Config • Zero-Server RAM Execution

Convert XML to YAML Online - Free, Local & Instant

Instant XML (.xml) to YAML (.yaml) converter. 100% client-side processing in your browser RAM — zero file uploads, full privacy, drag & drop or paste raw text.

Technical Comparison: XML vs YAML

Data & Dev Config
Specification XML (Source) YAML (Target)
Full Specification Extensible Markup Language YAML Ain't Markup Language
File Extension & MIME .xml (application/xml) .yaml (application/x-yaml)
Data Typing Model Element & @attribute nodes with text/CDATA payloads Rich dynamic typing (scalars, sequences, mappings)
Structure & Hierarchy Tree of parent/child elements and attributes Indentation-based nested hierarchy
Comments Support Supported (<!-- comment -->) Supported (# inline and block comments)
Primary Ecosystem Enterprise SOAP feeds, RSS/Atom, Android layouts, Maven POM Kubernetes manifests, Docker Compose, GitHub Actions, Ansible

XML to YAML — Before & After Example

Before (XML Input)
<?xml version="1.0" encoding="UTF-8"?>
<users>
  <user>
    <id>1</id>
    <name>Alice Johnson</name>
    <email>alice@example.com</email>
    <role>admin</role>
    <active>true</active>
    <score>98.5</score>
    <address>
      <city>Berlin</city>
      <country>DE</country>
    </address>
  </user>
  <user>
    <id>2</id>
    <name>Bob Smith</name>
    <email>bob@example.com</email>
    <role>editor</role>
    <active>false</active>
    <score>87</score>
    <address>
      <city>Austin</city>
      <country>US</country>
    </address>
  </user>
  <user>
    <id>3</id>
    <name>Chiara Rossi</name>
    <email>chiara@example.com</email>
    <role>viewer</role>
    <active>true</active>
    <score>91.25</score>
    <address>
      <city>Milan</city>
      <country>IT</country>
    </address>
  </user>
</users>
After (YAML Output)
users:
  user:
    - id: 1
      name: Alice Johnson
      email: alice@example.com
      role: admin
      active: true
      score: 98.5
      address:
        city: Berlin
        country: DE
    - id: 2
      name: Bob Smith
      email: bob@example.com
      role: editor
      active: false
      score: 87
      address:
        city: Austin
        country: US
    - id: 3
      name: Chiara Rossi
      email: chiara@example.com
      role: viewer
      active: true
      score: 91.25
      address:
        city: Milan
        country: IT

Frequently Asked Questions: XML to YAML

How do I convert XML to YAML online without uploading sensitive files? ▾

Paste your XML data or drag and drop a .xml file into the converter above. ZeroUpload parses XML and serializes YAML 100% inside your browser RAM using local JavaScript—no bytes are ever sent to an external server.

How are nested objects or tabular columns mapped between XML and YAML? ▾

When converting hierarchical structures (Tree of parent/child elements and attributes) and tabular or config formats (Indentation-based nested hierarchy), our engine automatically flattens or unflattens dot-separated keys (such as address.city) and preserves numbers, booleans, arrays, and null values.

Is this XML to YAML converter free for commercial and production config files? ▾

Yes. The tool is completely free, requires no account or API key, and works offline once loaded. Because execution happens in local memory, it is safe for proprietary XML, database exports, and production secrets.

Can I convert YAML back to XML? ▾

Yes! Click the "Swap (YAML → XML)" button at the top of the workspace or use the reverse converter link at the bottom of this page for bidirectional conversion.