firstobject XML Editor

At a glance

• Editor score
  3.0 / 10
• Pricing
  Free plan
• Best for
  Windows users editing and validating XML files
• Free plan
  Yes
• Paid from
  Free
• Facts checked
  22 Sep 2026

• Where it wins

  • Editable XML tree view with formatting, alignment, and indentation
  • DTD validation, XSLT support, encoding tools, and Unicode functions
  • Portable executable with large-file editing for 100 MB or larger files

• Where it doesn't

  • Windows-only desktop software
  • Specialized around XML and markup rather than general text editing
  • The listed release dates to 23-Apr-2011

Our verdict on firstobject XML Editor

firstobject XML Editor, also called foxe, is a free Windows desktop editor for XML, HTML, loosely formed markup, and text files. It is aimed at users who need structured XML navigation alongside conventional text editing, particularly when documents require formatting, encoding conversion, validation, or work with large files. The portable single-executable design and permission for commercial use make it suitable for carrying between Windows systems or adding to an existing technical workflow without a paid tier.

Its strongest area is XML-focused editing depth. The editable and customizable tree view provides a structured way to navigate documents, while formatting, aligning, indentation, syntax coloring, and word wrap support day-to-day editing. MSXML-based DTD validation helps check document structure, and XSLT transformation support extends the tool beyond direct text changes. FOAL scripting uses C++-style syntax for users who need automation within the editor. Encoding selection and conversion, Unicode character functions, printing, and support for files exceeding 100 MB round out a focused XML toolkit.

The trade-off is breadth and platform scope. The Free plan includes the Windows desktop editor, portable executable, XML tree editing, syntax coloring, word wrap, FOAL scripting, and commercial use, with no paid tiers described. That makes the product a practical choice for Windows users whose work centers on XML or related markup. It is less suitable for people seeking a cross-platform editor, a broad general-purpose development environment, or AI-assisted editing. The official listing identifies version 2.4.2.431, released 23-Apr-2011, so buyers who prioritize frequent releases may prefer a more actively updated alternative.

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firstobject XML Editor pricing

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firstobject XML Editor fact sheet

Alternatives to firstobject XML Editor

• Visual Studio CodeA free, open-source editor with broad development features across desktop and web.9.4
• NeovimA free, open-source editor for keyboard-driven workflows and deep customization.9.3
• GEGNU EmacsA mature, highly customizable editor for users who value breadth and control.9.2

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Featured on iTechGuides

firstobject XML Editor is listed in our Text Editors directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update