XMLSpy
| Altova XMLSpy | |
|---|---|
 XML editing in XMLSpy | |
| Developer | Altova |
| Stable release | 2026
/ October 21, 2025 |
| Operating system | Microsoft Windows - officially supported |
| Type | XML Editor |
| License | EULA |
| Website | www |
XMLSpy is a proprietary XML editor and integrated development environment (IDE) developed by Altova. XMLSpy allows developers to create XML-based and Web services applications using technologies such as XML, JSON, XBRL, XML Schema, XSLT, XPath, XQuery, WSDL and SOAP.