Hypertext sites generator
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mkht.php is a PHP script for building HTML/CSS sites from source documents in PHP, Gemtext, Pandoc Markdown, Gettext translation files, HTML and CSS.

For my personal use cases, this project include some specific tweaks that may not be fully or correctly documented.


Place your pages tree in /*.md.

mkht.php [-f] [site_path] [destination]

-f forces generation of every file, erasing already generated files.

If site_path is not set, it will default to current directory.

destination is optional and can be:

  • onion if you want links ending with .onion when available (function clearnetOrOnion)


Source pages must end in .md and can use Gemtext, Markdown, HTML and PHP.

The following optional files have special meaning:

some default settings can be changed by this file
additional CSS
added just before </head>
added just after <body>
added just before </body>
po4a configuration file

Files starting with a dot (except for .htaccess and .well-known) are ignored.

Files containing draft in their name (separated from other characters by .) are ignored.

Security note: any PHP code in input files is executed with the same permissions as mkht.php


  • /target/*.md
  • /target/*.html
  • /target/*.html.gz

Note that format translation is only done in the following order: Gemini > Markdown > HTML, which means that the last of these formats you will use will be the first that will be readable by hypertext browsers. (PHP is always executed first.)

Metadata persistence

IDs are attributed to titles according to their content, therefore modifying a title breaks links to page sections.

For atom feeds

  • Make sure modification timestamps of source files are preserved. For example, cp --preserve=timestamps must be used instead of just cp when backing up or migrating.
  • Renaming/moving a page creates a new page and delete the older.


  • PHP
  • gzip
  • pandoc for Markdown → HTML
  • po4a for Gettext translation



This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.