Hello @alexbyby,
Extension “User Profile Custom Slugs” defines how the profile URLs will appear to site visitors and search engines. For details on this extension please visit the link : https://profilegrid.co/how-create-custom-user-profile-urls-and-dynamic-slugs-in-wordpress/
You may change the URL of the profile page by referring to the following steps:
1) Login to WordPress dashboard, go to “ProfileGrid >> Global Settings >> Custom Profile Slugs” menu.
2) Configure the option “Profile URL” and it will change the profile page URL in the front end.
Let us know if you have any other questions.