File Extension Library


.HDML File Extension

  • Developer by: Openwave
  • Category: Web Files

What are .HDML files and how to open them?

Can't open .HDML file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .HDML file.

What is a .HDML file extension?

.HDML file extension is created by Openwave. .HDML has been classified as Web Files.

.HDML is Handheld Device Markup Language File

Web page created for mobile devices using the Handheld Device Markup Language (HDML); an extension of the SGML language, which is used for creating .SGML files; designed to be displayed on smartphones and other portable electronic devices.

HDML files can be viewed with compatible devices using the Openwave UP.Browser. They can be edited on a computer with a text editor, but are not supported by standard Web browsers.

HDML was introduced by Unwired Planet (now Openwave) in 1996. Around 1999, HDML was replaced by the Wireless Markup Language (.WML), which was influenced by HDML.

How to fix problems with .HDML files

  1. You need to update the application that you normally use to open .HDML files. Only the latest version of the software supports the current .HDML file format
  2. You need to check the .HDML file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)