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CONFIG XML
File conversion

Convert CONFIG to XML

Verified by Adam B.· reviewed by FE Editorial ·updated Aug 30, 2026
QUICK ANSWER
Is it possible to convert CONFIG to XML?
Yes - CONFIG converts to XML.

For .NET App.config and Web.config files, rename the file or use Save As in VS Code or Notepad++ - the XML content is identical. Non-.NET configs (key=value, INI, YAML) are not XML and cannot be converted this way.

Also to XML: IEPD · XHTML · TSI

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert CONFIG to XML?

Microsoft .NET configuration files are standard XML files with a <configuration> root element; the .config extension is a naming convention, not a different format. Some XML editors, validators, and processing tools require a .xml extension to recognize the file type automatically.

How to convert CONFIG to XML

VS Code FREE

Open the .config file, go to File > Save As, and change the filename extension to .xml.

Notepad++ FREE

Open the .config file, go to File > Save As, set type to All Files, and save with a .xml extension.

About these formats

.CONFIG Configuration File

A .config file is a settings file that tells a program how to behave. The most common kind is a Microsoft .NET configuration file (App.config or Web.config), which is plain XML you open in…

Open .CONFIG details →
.XML Extensible Markup Language Document

An XML file is a plain-text document that stores structured data in nested, custom tags. Because it is just text, any text editor opens it - drag it into a browser tab for a quick,…

Open .XML details →

Quality & what to watch

  • The application reads only its expected filename (App.exe.config, Web.config); the .xml copy is for viewing or editing - copy any edits back to the original .config before the app reads it.
  • Non-.NET .config files (key=value, YAML, binary) are not XML and cannot be renamed to produce a valid XML document.
  • A .NET Web.config may contain sensitive data such as connection strings and API keys; treat any copy with the same care as the original.

Frequently asked questions

Is renaming `.config` to `.xml` safe?
Yes, for .NET App.config and Web.config files - the content is identical XML; keep the original .config for the application.
Will the XML be valid after renaming?
Yes - .NET config files are well-formed XML and will pass validation in any XML tool.
What if my `.config` is not a .NET file?
Key=value, INI, YAML, or binary configs are not XML; renaming them to .xml will not produce a valid XML document.