.html In Url Permalink Wordpress Plugin - Rating, Reviews, Demo & Download
Plugin Description
Adds .html to pages.
1) Login your wordpress account
2) Now go to settings->permalinks
3) Default permalink structure in wordpress see below
/%postname%/
4)Now remove trailing slash at the end of the permalink structure
And add .html extension at the end of the permalink structure. shown below
EX : /%postname%/.html
Just Add .html
5)Now click on save changes button
Now your are done add html extension in wordpress url
Enjoy Plugin