arthurlacoste

Add more files extensions with a new field in your Medias Settings.
<a href="http://irz.fr/add-more-files-extensions/" rel="nofollow ugc">You can check the dev page</a>
You just need to insert your extensions in <code>Settings > Medias > Uploading Files</code> separate by a space (ex : ‘exe pdf rar’), and the plugin does the rest.
This plugin is in french but the translation in english is in progress.

Add more files extensions

Add more files extensions with a new field in your Medias Settings.

Subodh Ghulaxe

This plugin adds .html extension to pages in WordPress. Adding .html extension on posts is easy as it can be updated from permalinks, but by default it is not possible on pages.
Useful in following cases:
<ul>
<li>You want to convert your static site to WordPress but don’t want to change .html extension in URLs.</li>
<li>Want to append .html extension to end of all page in WordPress.</li>
<li>You already added .html to post URLs and want to keep similar URL structure.</li>
</ul>

Add .html Extension to Pages

Working perfectly with WordPress 5.7

A simple and easy way to add .html extension to WordPress pages.

Add more files extensions vs Add .html Extension to Pages