TeX4ht is a system for converting documents written in TeX/LaTeX/ConTeXt/etc. to HTML, various XML flavors, braille, etc., optionally using MathML.

Project repository and discussions

Documentation and tutorials


Bug reports

Bug reports are welcome by email or by submission to the bug database. Please include a complete source document and the exact program invocation, as well as what goes wrong. We need to be able to reproduce the problem to have a chance of fixing it. If the problem remains unresolved, please submit it to the bug db, so it won't be forgotten.

Development status

TeX4ht was created by Eitan Gurari at Ohio State University. Eitan died unexpectedly in June 2009; we extend our sympathies to his family, and dedicate future work on the project to his memory.

With the encouragement and support of Eitan's family, Michal Hoftich, Karl Berry, and others have continued to work on TeX4ht. Involvement by other volunteers, from bug reports to major new development, is welcome and needed.

No full post-Eitan release has been made to date; the tex4ht.zip linked to from the original web pages refers to Eitan's last “fix” release, labeled 2009_06_11_1038.

In TeX Live, we continue to install many updates, despite the lack of a full release. Some development changes remain solely in the source repository.


Latest changes (full ChangeLog):


tex4ht-html4.tex (html4.4ht): fix for basic text formatting commands on the beginning of the paragraph when Fontspec package is used.

tex4ht-html4.tex (html4.4ht): changed style for horizontal lines in tables.


tex4ht-4ht.tex (graphics.4ht): fix for serious error that showed after a recent LaTeX core update -- all pictures were included as EPS images.

Project repository.

$Date: 2019-09-20 13:20:23 +0200 (Fri, 20 Sep 2019) $;
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