Download for Windows
Altova XMLSpy is the world's best selling JSON and XML editor for modeling, editing, transforming, and debugging related technologies. XMLSpy JSON and XML Editor gives developers the tools they need to build the most sophisticated applications with its graphical schema designer, code generation, file converters, debuggers, and profilers for working with XSD, XSLT, XQuery, XBRL, SOAP, and more.
[Grid View] A node pasted into Grid View, which was collapsed when copied, should be collapsed after pasting
[XSLT/XQ Debugger] Starting XSLT debugger with JSON file as input results in “XSLT 3.0 Debugging Error”
[BSON] XMLSpy crashes with BSON file open after selecting Assign Schema from the DTD/Schema menu
[Generate Sample XML File] Results of sample instance generation against customer XML schema vary unexpectedly depending on choice group settings against other content model such as sequence
[JSON] Generated sample JSON instance root element is claimed by XMLSpy to be, ‘not valid’
[XBRL validation] No error is reported when a new feature is defined in an xBRL-CSV report using the xbrl namespace
| Publisher | Altova |
|---|---|
| Author | Altova GmbH |
| Version | 2026.02.00 |
| License | Proprietary |
| Installer type | exe |
| Architecture | x86, x64 |
| Package ID | Altova.XMLSpy.2026.Enterprise |
| Install scope | All users |
winget install --id=Altova.XMLSpy.2026.Enterprise -ewinget upgrade --id=Altova.XMLSpy.2026.Enterprise -ewinget uninstall --id=Altova.XMLSpy.2026.Enterprise -e"XMLSpyEnt2026rel2_x64.exe" /qn"XMLSpyEnt2026rel2_x64.exe" XMLSPYINSTALLDIR="D:\Apps\Altova XMLSpy 2026 Enterprise Edition"msiexec /x {E51D51B6-900E-4958-8974-15D0607795BE} /quietAltova XMLSpy 2026 Enterprise Edition can open or be associated with 61 file types:
[IDE GUI] Passing Parameters to Transformations
[Text View] search respectively search & replace dialogue disappears if you switch between applications
[Schema View] Ability to preserve attributes when setting or changing a type on a complex element
[XML Validator] Ability to set extension of XSLT output file depending on value of xsl:output method attribute
[Text View] when adding an element - only show valid choices based on the element that you are under
[Schema Documentation] Word documentation generation fails for large files
[Schema View] Prof: Copy XPath - option to get instance XPath from schema
[Grid View] Display as table in Grid View causes extra columns to be created
[Generate Sample XML File] improve root element choice list
[Grid View] XMLSpy hangs showing elements with very long string content (such as base64-encoded data) in Grid View
[Text View] although using xml:space="preserve" white-space is stripped if child elements are present as well
[IDE GUI] Ability to jump to a specific template in an XSLT file
[IDE GUI] Ability to resize "Select File" dialog in XMLSpy
[SOAP request Creator] Ability alphabetically to sort list of available operations when creating SOAP request
[XSLT Generation] add option for file extension to be determined solely by xsl output method in the stylesheet
[Text View] Ability to convert HTML entities to UTF-8 Characters and vice versa
[Settings] ability to set default view for open file dialog …
[IDE GUI] Passing Parameters to Transformations
[Text View] search respectively search & replace dialogue disappears if you switch between applications
[XML Validator] Ability to set extension of XSLT output file depending on value of xsl:output method attribute
[Text View] when adding an element - only show valid choices based on the element that you are under
[Schema Documentation] Word documentation generation fails for large files
[Schema View] Prof: Copy XPath - option to get instance XPath from schema
[Grid View] Display as table in Grid View causes extra columns to be created
[Generate Sample XML File] improve root element choice list
[Grid View] XMLSpy hangs showing elements with very long string content (such as base64-encoded data) in Grid View
[IDE GUI] Ability to jump to a specific template in an XSLT file
[IDE GUI] Ability to resize "Select File" dialog in XMLSpy
[SOAP request Creator] Ability alphabetically to sort list of available operations when creating SOAP request
[XSLT Generation] add option for file extension to be determined solely by xsl output method in the stylesheet
[Text View] Ability to convert HTML entities to UTF-8 Characters and vice versa
[Settings] ability to set default view for open file dialog
[Text View] ability to search across multiple lines
[Schema Documentation] Ability to suppress schema location when generating documentation
[Catalog Files] Add Oasis 'group' element support …
[IDE GUI] Passing Parameters to Transformations
[XML Validator] Ability to set extension of XSLT output file depending on value of xsl:output method attribute
[Text View] when adding an element - only show valid choices based on the element that you are under
[Schema Documentation] Word documentation generation fails for large files
[Schema View] Prof: Copy XPath - option to get instance XPath from schema
[Grid View] Display as table in Grid View causes extra columns to be created
[Generate Sample XML File] improve root element choice list
[Grid View] XMLSpy hangs showing elements with very long string content (such as base64-encoded data) in Grid View
[IDE GUI] Ability to resize "Select File" dialog in XMLSpy
[SOAP request Creator] Ability alphabetically to sort list of available operations when creating SOAP request
[XSLT Generation] add option for file extension to be determined solely by xsl output method in the stylesheet
[Text View] Ability to convert HTML entities to UTF-8 Characters and vice versa
[Settings] ability to set default view for open file dialog
[Text View] ability to search across multiple lines
[Schema Documentation] Ability to suppress schema location when generating documentation
[Catalog Files] Add Oasis 'group' element support
[XPath Visualizer] XPath input field should reflect result tab selection
[Grid View] enumerated values for xsi:type not presented by entry helper …
Altova XMLSpy 2026 Enterprise Edition is proprietary software from Altova. Check the publisher's license terms for pricing and usage rights.
The latest version is 2026.02.00.
The download button links to the official installer published on cdn.sw.altova.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 329d4c7df5327cd537681b3e0c620027e43e712c845fa966f0d0f174a9ec5028.
Altova XMLSpy 2026 Enterprise Edition runs on Windows and is available for 32-bit (x86), 64-bit (x64) systems.
Run the offline installer with "XMLSpyEnt2026rel2_x64.exe" /qn, or install it with Windows Package Manager: winget install --id=Altova.XMLSpy.2026.Enterprise -e --silent.
Open Settings › Apps › Installed apps, find Altova XMLSpy 2026 Enterprise Edition and select Uninstall. From the command line, run winget uninstall --id=Altova.XMLSpy.2026.Enterprise -e.
Altova XMLSpy 2026 Enterprise Edition supports 61 file types, including .altova_licenses, .altova_licenses_server, .altova_taxonomies, .altova_xmlschemas, .asp, .avro, .avsc, .biz and more.
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