speedy222

Search every username in your WordPress site from the author. Make the WP Search Username Widget active in your Widgets menu from your WordPress site.
Or place the below shortcode in your WordPress site page content:
[search-username]
Or place the php shortcode in your themes file with a FTP Program. You can find the normal and php shortcode in your shortcodes.txt file.
Option author page with FTP:
Only if you have not a author.php page in your themes then you can upload the author.php page from your plugin directory with a FTP program and save it up your pc directory. And upload it to your themes /wp-content/themes/your-theme-name/ directory with a FTP Program.

WP Search Username

Search every username from the author in your Wordpress site.

martenmoolenaar

Zodan

<h3>Change WordPress Usernames — Safely and Instantly</h3>
<h3>Why You Need This Plugin</h3>
WordPress locks usernames by default — but mistakes happen, conventions change, and security sometimes requires a reset. Zodan Change Usernames lets you update any username instantly, directly from the user profile page, with zero data loss.
<ul>
<li>Fix registration typos</li>
<li>Standardize usernames across your organization</li>
<li>Update compromised or generic usernames like “admin”</li>
<li>Resolve username conflicts when merging or migrating sites</li>
</ul>
<h3>Who Is It For?</h3>
WordPress Agencies 
Standardize client usernames across multiple sites, fix migration errors, and maintain professional naming conventions at scale.
Security-Conscious Site Owners 
Quickly update usernames if security concerns arise. Rotating away from “admin” is one of the easiest hardening steps you can take.
Community & Membership Sites 
Allow members to update their own usernames, resolve disputes, and keep directories clean and consistent.
Content Sites with Multiple Authors 
Update usernames without breaking content associations.
<h3>Key Features</h3>
✓ One-click username updates directly from user profiles 
✓ Zero data loss — all posts, metadata, and associations stay intact 
✓ Email notifications when usernames are changed 
✓ Nickname support for additional flexibility 
✓ Proper username sanitization to prevent security issues 
✓ SQL-optimized for performance 
✓ Multisite compatible 
✓ Works with any WordPress theme 
✓ Bulk Username Updater — Update hundreds of usernames at once via inline editing or CSV import/export 
✓ Settings — Configure username rules, email notifications, and message strings 
✓ Activity Log — Full history of every username change with timestamps and IP addresses, exportable as CSV
<h3>Admin Settings Page</h3>
The plugin adds a settings page under Users → Change Usernames ** with the following tabs: 
* **Settings — Configure username rules, email notifications, and message strings 
* Bulk Change — Update multiple usernames at once via inline editing or CSV import/export 
* Log/history — Full history of all username changes with timestamps and IP addresses, exportable as CSV
<h3>Simple Setup</h3>
<ol>
<li>Install and activate the plugin (30 seconds)</li>
<li>Navigate to any user’s profile page</li>
<li>Change the username instantly</li>
<li>The change applies across your entire site</li>
</ol>
No complicated settings, no technical headaches.

Zodan Change Usernames

Change WordPress usernames with optimal security and data integrity.

WP Search Username vs Zodan Change Usernames