Sajjad Hossain Sagor

<p>This plugin adds feature to edit/change user username.</p>
<h4>Features:</h4>
<ul>
<li>Edit Username: Allows editing of usernames.</li>
<li>Only users with the <code>edit_other_users()</code> capability can change usernames.</li>
<li>If the “Send Email” option is enabled, the user will receive a notification email when their username is changed.</li>
<li>You can customize the email subject and body text in the admin dashboard or via filter hooks.</li>
<li>Modify the email subject using the filter: <code>wpeu_email_subject</code>.</li>
<li>Modify the email headers using the filter: <code>wpeu_email_headers</code>.</li>
<li>Adjust the email body content using the filter <code>wpeu_email_body</code>. (Note: <code>$new_username</code> and <code>$old_username</code> are automatically prepended to the email content).</li>
</ul>
<h4>Hooks Usage:</h4>
<pre><code><?php

add_filter( 'wp_username_changed_email_subject', 'change_email_subject' );

function change_email_subject( $subject )
{
    $subject = 'Your customized subject';

    return $subject;
}

add_filter( 'wp_username_changed_email_body', 'change_email_body' );

function change_email_body( $old_username, $new_username )
{
    $email_body = "Your custom email text body.";

    return $email_body;
}

?>
</code></pre>


WP Edit Username

Easily Edit User Profile Username clicking a button.

Luqman Safay

<p>The Admin Credentials Editor plugin allows site administrators to quickly update their login details without touching the database.<br />
You can change the username, email address, or password of your admin account (individually or together) directly from the dashboard.</p>


Admin Credentials Editor

Easily change your admin credentials (username, email, password) from the dashboard.

WP Edit Username vs Admin Credentials Editor