What are XHTML files and how to open them

Are you having problems opening an XHTML file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an XHTML file?

Files that contain the .xhtml file extension hold web pages that have been written using the XHTML syntax. The XHTML format is an improved version of HTML4, or rather, another way of writing web pages using a modified version of HTML.

The XHTML file format uses tags, just like the HTML file format, but the pages of the XHTML format conform to the stricter XML guidelines than HTML pages. Because the documents that are created in XHTML need to be well-formed, they are normally parsed using XML parsers, whereas HTML documents use more versatile HTML-specific parsers.

When a user visits a web page that is created in XHTML, they do not usually see the actual code that the page was written in. The user will see it through the web browser, and therefore usually don't need to care about what format the page is written in by the developer.

How to open XHTML files

Important: Different programs may use files with the XHTML file extension for different purposes, so unless you are sure which format your XHTML file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different XHTML openers which you will find listed below.

Last updated: November 30, 2022

Various apps that use files with this extension

These apps are known to open certain types of XHTML files. Remember, different programs may use XHTML files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Google ChromeGoogle ChromeVerified
FlashPeak SlimBrowserFlashPeak SlimBrowserVerified
Swing BrowserSwing BrowserUser submitted
SafeZoneSafeZoneUser submitted
Comodo DragonComodo DragonUser submitted
ChromiumChromiumUser submitted
CocCocCocCocUser submitted
Baidu BrowserBaidu BrowserUser submitted
CitrioCitrioUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about XHTML file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.