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.

Nasirul Islam

1) Go to WordPress dashboard
2) Then settings->permalinks
3) Default permalink structure is look like 
/%postname%/
4)Now remove all tag and add .html extension at the end of the permalink. shown below
EXAMPLE : /%postname%.html
Just Add .html
5)Now click on save changes button 
Now your are done add html suffix in wordpress url
<a href="https://bdcodemaker.com/demo/plugin/animcat/html-suffix.html" rel="nofollow ugc">Demo</a>

Add .html Extension to Pages vs html suffix