HDML files use the .HDML file extension. They consist of markup tags rendered to websites on handheld devices. HDML files transfer via HDTP protocol instead of HTTP used for HTML.
HDML provides a runtime environment referred to as the user agent. It includes elements like:
HDML has low popularity. It is scarcely in most user file systems across Windows, Mac, and Linux.
If Windows doesn’t recognize the .HDML extension, it won’t open automatically. To open, install software supporting .HDML files from the developer’s website.
Programs supporting .HDML files include text editors. Text editor formats suit .HDML file structure. However, other programs may not support .HDML files.
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