Altova XMLSpyAltova XMLSpy

AltovaStructured Document Tools
Version 2026 Release 2 (May 27, 2026)(5)

Advanced XML and JSON editor with graphical design and debugging.

  • Supports XML, JSON, XSD, XSLT, XQuery, and XBRL technologies.
  • Includes graphical editors, auto-correction, and intelligent editing tools.
  • Support for schemas, transformations, and query technologies.
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JSON and XML editor for modeling, editing, transforming, and debugging.
Altova XMLSpy provides a comprehensive development environment for editing, transforming, and debugging XML and JSON documents. It features a visual schema designer, intelligent editors, code generation, and support for querying and transforming data with XPath, XSLT, and XQuery, targeting enterprise-level applications across diverse data formats.
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Graphical XML and JSON Editing

Offers both text-based and graphical views for XML and JSON, including XML and JSON Grid Views that simplify editing by visually presenting document structure and providing entry helpers and filters.

Schema Design and Validation

Includes drag-and-drop graphical editors for XML Schema (XSD) and JSON Schema, enabling schema creation, validation, and instance generation for robust data modeling.

Advanced Debugging and Profiling

Provides integrated debuggers and profilers for XSLT, XPath, and XQuery with back-mapping to easily trace output to source elements.

SmartFix XML Validation

Detects validation errors and offers automatic correction suggestions that can be applied with a single click.

Database Integration

Connects directly to popular SQL databases allowing querying, importing, and exporting data between XML and databases with no extra connectors required.

Web Services and XBRL Tools

Features graphical editors for WSDL and SOAP clients with debugging capabilities, along with comprehensive support for XBRL taxonomy editing, validation, and reporting.

Code Generation and Format Conversion

Supports code generation in Java, C#, and C++ from XML Schemas, plus conversion tools between XML, JSON, YAML, and Apache Avro formats.

IDE Integration and Performance

Integrates with Visual Studio and Eclipse, and leverages RaptorXML Server technology for high-performance validation and processing of large XML and JSON files.

AI-Powered Assistance

Includes an AI Assistant that uses natural language prompts to generate XML and JSON schemas, instance documents, and transformation code to accelerate development tasks.

Product Compatibility

Review the details below to ensure this product is supported within your environment.

Operating System

  • Windows Desktop
  • Windows Server

Windows Desktop Version

  • Windows 11
  • Windows 10

Windows Server Version

  • Windows Server 2025
  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016