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15 Best XML Editors for Productive Development

Extensible Markup Language (XML) is a widely used markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It is extremely popular for representing arbitrary data structures, especially in web development, publishing, data storage, and transport.

As an integral part of many development workflows, XML requires specialized tools for editing, validation, transformation, and more. That‘s where dedicated XML editors come into play. They provide advanced features tailored specifically for working with XML documents efficiently.

In this comprehensive guide, we will discuss the top 15 XML editors that can boost your productivity when working with XML files.

Why Use a Specialized XML Editor?

Before jumping into the list, let‘s first understand why you need an XML editor instead of a regular text editor.

  • Validation: XML editors can validate XML documents against DTD, XSD schemas, RelaxNG schemas, and more. This ensures your XML adheres to defined structure and rules.

  • Auto-completion: Intelligent auto-completion features like element, attribute, and value suggestions based on defined schemas speeds up coding.

  • Syntax highlighting: Color coded syntax makes XML documents more readable and allows quick identification of errors.

  • Tree views: Visual representation of XML document structure in a tree format simplifies navigation and modifications.

  • Transformation: Built-in support for transformations like XSLT and XQuery without needing external tools.

  • Database integration: Some advanced XML editors allow viewing and editing data from databases as XML.

  • Debugging: Debugging capabilities for technologies like XPath, XSLT, and XQuery help troubleshoot issues faster.

  • Collaboration: Features like built-in diff tools, annotations, change tracking improves collaboration when working in teams.

Specialized XML editors provide all these features and more to make your life easier. Now let‘s look at some of the best XML editors available.

1. Oxygen XML Editor

Oxygen XML Editor is one of the most popular and fully-featured XML editors available. It is available on Windows, Linux, and Mac platforms.

The editor provides a graphical interface with different views like text, grid, and author mode. Users can switch between the views easily while editing documents.

Some of the key features of Oxygen XML Editor are:

  • XML validation against DTD, XML Schema, Relax NG, Schematron
  • XPath evaluation
  • XSLT and XQuery transformation and debugging
  • Support for XML catalogs
  • SQL database connectivity
  • Integration with version control systems like Git
  • XML schema diagram editor
  • Visual JSON schema editor
  • CMS integration

Oxygen XML Editor is available in three editions — Free, Professional ($488 per year), and Enterprise (custom pricing). The free edition is mainly for evaluation purposes and has limited features.

2. XMLMind XML Editor

XMLmind XML Editor (XXE for short) is a lightweight yet powerful open-source XML editor written in Java. It is available on Windows, Mac, and Linux platforms.

Some useful features of XXE are:

  • WYSIWYG editor with drag-and-drop support
  • Document validation against DTD, XML Schema
  • XSLT and XQuery debugging
  • Support for DITA and DocBook
  • Conversion between file formats
  • Database integration
  • Modular architecture to add functionality via add-ons

XXE comes in both free and commercial variants. The free variant is full-featured but requires a license key for Batch Converter add-on. Commercial licenses start from $79 per year.

3. Eclipse XML Editors

The Eclipse IDE has great support for working with XML documents thanks to tools like:

a) Eclipse XML Editor

It provides a range of features including:

  • XML schema-based autocompletion, validation
  • XPath evaluation
  • XSLT debugging
  • Integrated XPath and XML Schema validation
  • Support for editing XSD, DTD, RelaxNG schemas
  • XML catalog resolution

b) Eclipse XSLT Editor

Useful for developing XSL stylesheets using:

  • XSLT debugger
  • Syntax highlighting
  • Content assist
  • Templates

c) Eclipse XQuery Editor

Enables XQuery development through:

  • Syntax coloring
  • Smart code completion
  • Outline view
  • Integrated execution
  • Debugging

The best part about XML tools in Eclipse is that they are open-source and available for free. The downside is the learning curve associated with Eclipse IDE.

4. Notepad++

Notepad++ is a popular free source code editor for Windows. It has a plugin called XML Tools that adds advanced XML editing capabilities.

Some useful features provided by the XML Tools plugin include:

  • Validation against XSD, DTD
  • XPath evaluation
  • XSLT transformation
  • Base64 conversion
  • XML tree exploration
  • Syntax highlighting
  • Code folding

Notepad++ itself supports features like tabbed editing, syntax highlighting for tons of languages, theming, macros and more. So you get a versatile, lightweight XML editor for free.

5. Sublime Text

Sublime Text is a sophisticated text editor for code, markup, and prose. It can be enhanced into a full-featured XML editor using specific packages.

Useful Sublime Text packages for XML editing:

Sublime Text itself offers features like slick UI, minimap, multiple selections, project management, command palette, extensibility and more.

6. VisibleThread Docs

VisibleThread Docs is an enterprise-grade XML editor ideal for large teams. It is focused on providing collaboration capabilities on top of standard XML features.

Some key highlights:

  • Real-time co-editing
  • Comments, assignments, change tracking
  • Configurable workflow states
  • Robust permissions system
  • File locking and version history
  • Compare versions visually
  • Integrations with CCMS, Google Docs

Pricing plans are available upon request. If you need an XML editor for large team collaboration, VisibleThread Docs is worth exploring.

7. Stylus Studio

Stylus Studio is an XML editor available for Windows, Linux, and Mac platforms. It is a commercial product priced at $99.

Some useful features:

  • XML text editor
  • Visual XML editor
  • XSLT/XPath debugger
  • XML data integration
  • Document conversion
  • Database connectivity
  • SharePoint integration

Stylus Studio is packed with advanced features but has an outdated interface. It is a decent XML editor for developers working with complex XML transformations.

8. XMLBlueprint

XMLBlueprint is an enterprise-grade XML editor for Windows. It focuses on providing specialized tools for working with DITA/Darwin Information Typing Architecture content.

Key features:

  • DITA maps editor
  • DITA topic authoring
  • DITA keys and content reuse
  • Metadata and conditional profiling
  • Review and collaboration
  • Publishing output
  • Visual topic relationship maps

XMLBlueprint is beneficial for teams using DITA for technical documentation. They offer a free 30-day trial to test drive the tool.

9. XIDE

XIDE is an open-source XML IDE built on top of Notepad++. It extends Notepad++ with more advanced XML capabilities.

Some useful features provided by XIDE:

  • Project management
  • XML code beautification
  • Document validation against XSD
  • XPath evaluation
  • XSLT debugging
  • Native 64-bit and Unicode support

XIDE offers a good balance of features while remaining lightweight. However, it requires some dev skills to set up Notepad++ along with the XIDE plugin.

10. Liquid XML Studio

Liquid XML Studio is a commercial XML IDE for Windows. It simplifies working with XML documents through an intuitive graphical interface.

Key features:

  • XML editor with intelligent coding assistance
  • Debugger for XSLT, XPath, XQuery
  • Visual schema designer
  • JSON, CSV editing
  • Database integration
  • Web services toolkit
  • DITA support
  • API for scripting and automation

Liquid XML Studio comes in different editions – Standard ($59), Professional ($189), and Enterprise (custom pricing). It offers a 30-day free trial to test out the IDE.

11. Altova XMLSpy

Altova XMLSpy is a commercial XML development environment available for Windows, Mac, and Linux. It offers advanced XML capabilities through a graphical user interface.

Some key highlights:

  • XML editor with validation, debugging
  • XSLT/XQuery editor and debugger
  • Visual schema and DTD designers
  • Database query editor
  • Support for JSON, REST, SOAP
  • Charts generation
  • File format conversion
  • Reporting and document generation

Altova XMLSpy is available in 3 editions — Standard ($149), Professional ($349), and Enterprise (starts at $1799). A 30-day free trial is available to test out features.

12. BaseX

BaseX is an open-source XML database and XML editor written in Java. It offers a unique approach of storing and querying XML like a database.

Key capabilities:

  • XPath/XQuery evaluation
  • Validation against XML schemas
  • Full-text search
  • Git versioning
  • REST, RESTXQ interfaces
  • XML Serialization
  • Database clustering

BaseX allows storing large XML documents in a native XML database. It then provides editors for executing queries and doing transformations on the XML data.

13. XML Copy Editor

XML Copy Editor is an online XML editor optimized for editing large XML files directly in the browser.

Some useful aspects:

  • Fast rendering of large XML files
  • XML validation via XSD
  • XPath queries
  • XSLT transformation
  • Node selection using CSS selectors
  • Keyboard shortcuts
  • Collaborative editing

Pricing is based on the number of users and file storage required. They offer a free 14-day trial to test out the editor.

14. XmlPad

XmlPad is an affordable XML editor for Windows focused on simplicity and ease of use.

Key features:

  • Color coded syntax highlighting
  • Code bookmarks
  • File comparison
  • Bulk find and replace
  • Integrated XSD schema validation
  • XSLT 1.0/2.0 profiling
  • Support for large files

XmlPad is available in Standard ($59) and Professional ($99) editions. The tool is streamlined for general purpose XML editing features.

15. Xray XML Editor

Xray XML Editor is a lightweight XML editor for Windows built using the .NET framework.

Some of its capabilities:

  • XML well-formedness check
  • Validation against XSD ,DTD
  • XPath navigator
  • XSLT debugger
  • JSON, CSV conversion
  • Git integration

Xray XML Editor is open-source and available for free from GitHub. It offers good features given its small size and simplicity.

Conclusion

And that wraps up our list of top XML editors! We covered a range of editors – from free open-source tools like Eclipse XML Editor and BaseX to advanced commercial products like Oxygen XML Editor and Altova XMLSpy.

The focus was to provide options both for individuals and enterprise teams. When choosing an XML editor, keep your specific requirements in mind. Evaluate free tools first to get started. For advanced features and dedicated support, commercial products may be worthwhile.

We hope this guide gives you a good overview of the XML editor landscape. Let us know if you have any other favorite XML editors we should check out!

AlexisKestler

Written by Alexis Kestler

A female web designer and programmer - Now is a 36-year IT professional with over 15 years of experience living in NorCal. I enjoy keeping my feet wet in the world of technology through reading, working, and researching topics that pique my interest.