Best XML Products in 2026

The XMLSpy XML Editor is a powerful tool for editing XML and related technologies. It is the only XML Editor with patented SmartFix validation, enterprise-grade editors, converters, debuggers, and code generators.

Key Altova XMLSpy features:

Comprehensive XML Support Graphical XML Schema Editor Intelligent Code Completion Support for Database Integration

Plan across boards with Kanban, tables, calendars, Gantt timelines, and dependencies. Track priorities, progress, and changes with reporting, activity history, automations, notes, custom fields & AI agent attribution. Mobile-ready and self-hostable.

Key Kanera features:

Kanban Boards Table View & Reporting Calendar My Cards

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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON.

Key JSONFormatter.org features:

User-Friendly Interface Multiple Tools Free to Use Cross-Platform

Oxygen XML Editor provides a comprehensive suite of XML authoring and development tools.

Key Oxygen XML Editor features:

Comprehensive XML Support Schema Validation User-Friendly Interface Extensive Plugin and API Support

Makes working with XML as fast and convenient as never before.

Key XML ValidatorBuddy features:

Comprehensive XML Validation User-Friendly Interface Integration with Various Tools Detailed Error Reporting

Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.

Key FreeFormatter features:

Wide Range of Tools User-Friendly Interface No Installation Required Free to Use

XML Viewer is a freeware for opening, editing, creating and saving XML files of any length.

Key XMLViewer features:

User-Friendly Interface Search and Navigation Syntax Highlighting Tree and Text View

The best JSON parser online helps you to converts json to a readable. You can do json formatter, json beautifier, json viewer, json editor.

Open Source free

The JSON Formatter was created to help with debugging.

Key JSON Formatter & Validator features:

User-Friendly Interface Real-time Validation Clear Error Messages Formatting Options

Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel.

Key CodeBeautify features:

User-Friendly Interface Wide Range of Tools No Installation Required Free to Use

View, edit and format JSON online.

Key JSON Editor Online features:

User-friendly Interface Real-time Editing Schema Validation Tree and Text View

Open Source

JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

Key JSONLint features:

User-Friendly Interface Error Highlighting Free to Use JSON Formatter

DeltaXML offers solutions for XML document and data authoring, reviewing and management processes. .

Key DeltaXML features:

Accuracy Customization Integration Scalability

Diff Checker is a free online diff tool that quickly and easily gives you the text differences...

Key Diff Checker features:

User-Friendly Interface Multiple Format Support Real-time Comparison Web and Desktop Versions