.XHTML

eXtensible HyperText Markup Language

Learn about .xhtml files - eXtensible HyperText Markup Language. Find software to open, compatibility information, and alternatives.

Programming 103 Searches File Extension Details
.XHTML
eXtensible HyperText Markup Language

What is a .xhtml file?

File Extension Details

XHTML (eXtensible HyperText Markup Language) is a markup language that is a reformulation of HTML 4 as an XML application. This means that XHTML documents must adhere to the stricter syntax rules of XML, unlike HTML which is more forgiving. The primary goal of XHTML was to bridge the gap between HTML and XML, making web content more structured, machine-readable, and easier to integrate with other XML-based technologies. Because it is an XML application, XHTML requires all tags to be properly nested, all tags to be closed, and attribute values to be quoted. It was intended to be the successor to HTML 4.01, offering better integration with future web standards and devices. While modern web development primarily relies on HTML5, which incorporates many of the structural benefits of XML while retaining some of HTML's flexibility, XHTML remains relevant in specific contexts, particularly where strict XML compliance is required, such as in certain mobile device rendering environments or when integrating web content into XML data streams. It is essentially HTML written according to XML rules.

Software Compatibility

Programs that can open and work with .xhtml files

Windows

Compatible Applications

Google Chrome Compatible
Mozilla Firefox Compatible
Microsoft Edge Compatible
Notepad++ Compatible

macOS

Compatible Applications

Safari Compatible
Google Chrome Compatible
Mozilla Firefox Compatible
BBEdit Compatible

Linux

Compatible Applications

Mozilla Firefox Compatible
Google Chrome Compatible
Konqueror Compatible
Vim Compatible

Mobile

Mobile Applications

Mobile Web Browsers (Native) Compatible
Chrome for Android Compatible
Safari for iOS Compatible

Frequently Asked Questions

About .xhtml files

To open a .xhtml file, you need compatible software. Here are some options:

  • Google Chrome
  • Mozilla Firefox
  • Safari
  • Mobile Web Browsers (Native)

To convert a .xhtml file to another format, you can:

  1. Use compatible software Many programs that open .xhtml files also allow you to save or export them to different formats.
  2. Try online conversion services: Websites like Zamzar, CloudConvert, or Online-Convert allow you to convert files between different formats without installing software.
  3. Specialized conversion tools: Search for '.xhtml converter' to find tools specifically designed for this file type.

  1. Verify the file extension is correct:
  2. Update your software:
  3. Try alternative software:
  4. Check for file corruption:

Like any file type, .xhtml files can be safe or potentially risky depending on their source:

  • Always scan files with antivirus software before opening
  • Keep your operating system and applications updated.
  • Be especially cautious with executable file types

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