XML Test Data Generator
Generate realistic XML test datasets with custom nodes and elements online.
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1Enter data
Enter content, paste text or load a file from disk. -
2Click the button
The tool will immediately process your data in the browser. -
3Get the result
Copy the finished text or save the file to your device.
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Other tools you may find usefulXML Test Data Generator - Random Data for Testing
XML (eXtensible Markup Language) is widely used in system integration, SOAP API, configurations and data. The generator creates XML files with random, realistic test data based on the selected schema - useful for import, parsing and API tests.
XML structure
XML = hierarchical, tag-based format. Root element: one. Elements:
XML Schema (XSD)
XSD (XML Schema Definition): defines the structure and types of XML. Types: xs:string, xs:integer, xs:date, xs:boolean. Validation: Tools validate XML against XSD. DTD (Document Type Definition): older, less powerful. RelaxNG: the alternative. The generator can create XML that follows simple schemas.
Popular XML Use Cases
SOAP Web Services: Legacy API standard. RSS/Atom feeds: subscriptions. Android resources: strings.xml, layouts XML. Java Spring: application context XML configuration. Microsoft Office: .docx = ZIP with XML inside. SVG: vector graphics format (XML based). KML: Keyhole Markup Language (Google Earth). XLIFF: translation localizations.
XML vs JSON
XML: more verbose, supports attributes, CDATA, comments, namespace. JSON: simpler, smaller size, native JS. When XML: SOAP API, legacy systems, document-oriented (Word, SVG). JSON: REST API, NoSQL, configuration (replaces XML in new projects). YAML: even simpler than JSON for configuration.
FAQ
How to parse XML in Python?
import xml.etree.ElementTree as ET. tree = ET.parse("file.xml"). root = tree.getroot(). for child in root: print(child.tag, child.attrib). Xpath: root.findall(".//item"). lxml: faster library, full XPath 2.0. BeautifulSoup: soup.find("tag"). minidom: DOM API.
How to parse XML in JavaScript?
Browser: const parser = new DOMParser(); const doc = parser.parseFromString(xmlStr, "text/xml"). doc.getElementsByTagName("tag"). Node.js: xml2js (npm) or fast-xml-parser. xml2js: parseString(xml, (err, result) => { console.log(result) }). XML→JSON conversion: xml2js or xmlToJSON libraries.
How to validate XML against XSD?
Python: from lxml import etree; schema = etree.XMLSchema(schema_doc); schema.validate(doc). Java: SchemaFactory.newInstance → Schema → Validator. C#: XmlReader with XmlReaderSettings. Online: freeformatter.com/xml-validator-xsd.html. Xmllint (Linux): xmllint --schema schema.xsd file.xml.
What is SOAP API and how to test?
SOAP (Simple Object Access Protocol): XML-based web service protocol. WSDL: Web Service Description Language. Envelope:
How to generate large XML files for stress tests?
Python: for i in range(1000000): ET.SubElement(root, "item").text = str(i). Streaming: ElementTree incremental writer. SAX parser: stream parsing without loading into memory. 1M XML elements ≈ several hundred MB. For very large ones: chunk by chunk generation. Tool: generate N records (slider 10-10000).
Related tools: XML formatting, JSON test generator and XML validator.
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