A daily updated filename extension database!

HDML file extension

The table below provides useful information about the .hdml file extension. It answers questions such as:

  • What is the .hdml file?
  • What program do I need to open a .hdml file?
  • How can the .hdml file be opened, edited or printed?
  • How can I convert .hdml files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Handheld Device Markup Language

HDML file is a Handheld Device Markup Language document. The Handheld Device Markup Language (HDML) is a markup language [1] intended for display on handheld computers, information appliances, smartphones, etc.. It is similar to HTML, but for wireless and handheld devices with small displays, like PDA, mobile phones and so on.
Category: Document files
Application: -
Mime-type: text/x-hdml
Magic number: -
Magic string: -
Sample: -
HDML aliases:
HDML related links:
HDML related extensions:
Hypertext Markup Language Document

Wireless Markup Language Document

Other types of files may also use the .hdml file extension.

🚫 The .hdml file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dml, hdl, hdm, hdmp, hmdl, hml, hxml

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

PowerDynamo Dynascript Script
Thinkfree Office NEO XML Document
HotDocs Template Library
Haxe Compiler Options
HAHTsite Client-side Image Map Project
Handheld Device Markup Language
Windows Heap Dump
Humus 3D Model Data
HostMonitor TestList Data

🔴 Can't open a .hdml file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .hdml file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .hdml file extension, write to us!

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