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Java HTML (ATG Dynamo) web page
File type: Internet related file
Files with jhtml file extension can be found as dynamic webpages that usually contain Java code that is processed by servers.
File type category:
Internet related file
Date updated: June 27, 2025
Record marked as obsolete and not updated for a long time.
The jhtml file extension is mainly used for files that contain standard HTML tags in addition to proprietary tags that reference Java objects running on a special server setup to handle requests for pages of this sort.
JHTML was a proprietary scripting system that was part of ATG's Dynamo web server. It was essentially a Java-based system for adding new, dynamic tags to HTML. Around 2002 it looks like ATG began shifting their product towards the open standard of JSP rather than JHTML, and .jhtml pages are now deprecated and a little rare. You'll mostly see them sites similar to the ones that run .jsp pages, except that .jhtml-driven sites will be more lightweight. Obviously, if they were more technically adept, they would have upgraded to *.jsp by now, or have started with it to begin with.
Any web browser nowadays can open *.jhtml pages.
The output web page generated from *.jhtml file can be saved as PDF or even in standard HTML.
Software applications that can open jhtml files:
Programs for viewing jhtml files:
Microsoft Windows
Apple macOS / Mac OS X