EditiX — Features

EditiX is a free, open-source XML editor, XSLT editor and XML development toolkit for Windows, macOS and Linux. This page links to every feature in detail. All code is released under the GNU GPL.

XML editing & platform support

XML Editor

Professional open source XML editor with a live tree view
Windows

XML editor for Windows
macOS

XML editor for macOS
Linux

XML editor for Linux

Validation

DTD

XML DTD editor & validator
W3C XSD

W3C XML Schema editor & validator
Relax NG

Relax NG schema editor & validator
Schematron

Schematron editor & validator

Transformation (XSLT / XQuery)

XSLT

XSLT 1.0/2.0/3.0 editor with live result
XQuery

XQuery 1.0/3.1 editor
XSL-FO

XML to PDF via XSL-FO (FOP)
Debugger

XSLT & XQuery debugger

XML productivity

Compare

XML compare / diff tool
Refactor

XML refactoring tool
XPath

XML search & XPath
Scenarios

XML scenarios (batch)

Other formats

JSON

JSON editor + JSON Schema
HTML

HTML editor (XHTML, preview)
CSS

CSS editor
JavaScript

JavaScript editor

Advanced

Scripting

XML scripting (Nashorn, EditiXManager)
AI / LLM

AI-powered XML editor (Ollama)
Download — free · GPLv3What's New in EditiX 2027