WP Fix It - WordPress Experts

This is the easiest and fastest way to see if you have a conflict on your site. Disable all active plugins with a single click. You can also turn them all back on with a single click without losing any settings or functionality. You can also enable WP_DEBUG directly from your admin area with no need for FTP or server access. WordPress WP_DEBUG is a built-in debugging tool that when enabled, will display any PHP errors on the front end of your site.
The best part is this is only for the admin user. That means all other users will not see any errors or loss of functions with a plugin being off. So fast and easy to know instantly if there is a plugin conflict on your site causing an issue.
There is an option where you can enter the URL of the place where you are seeing an issue and this will preview on the options page so as you go through and deactivate plugins the preview will update and you can find which plugin is the culprit.
<h3>SUPER HERO FEATURE</h3>
In the event that there is a fatal error on your website and you get a website visitor, they will not see the error message but instead they will see a pretty page instead of the default WordPress error page.
<h3>HELPFUL INFO INCLUDED</h3>
This plugin also displays important WordPress information and the details of the hosting environment.
<ul>
<li>
Active WordPress version
</li>
<li>
Active WordPress Theme
</li>
<li>
Installed Plugin Amount
</li>
<li>
Available WordPress Updates
</li>
<li>
Server PHP Version
</li>
<li>
Server Software
</li>
<li>
Server Operating System
</li>
<li>
Server IP Address
</li>
</ul>
<h3>BEST REASONS TO USE THIS</h3>
<ul>
<li>
All changes are admin only so all other users are not affected
</li>
<li>
Quickly know if the error on your site is caused by an active plugin or theme
</li>
<li>
No need for FTP access to turn off all plugins. One click off and on
</li>
<li>
Turn on WP_DEBUG without needing FTP or server access
</li>
<li>
Find and isolate PHP errors directly from your admin area
</li>
<li>
Quickly view WordPress version used and hosting environment info
</li>
</ul>

Conflict Finder

This is the easiest and fastest way to see if you have a conflict on your site. All changes for admin view only.

monzur

Plug Error Handler is a lightweight and safety-focused WordPress plugin that helps prevent white screens or fatal crashes caused by problematic plugins. It does this by automatically detecting and deactivating any plugin that throws a PHP fatal error or parse error during activation or update.
It’s designed to ensure a smooth admin experience by intercepting site-breaking issues at the moment they occur.
<h3>🔐 Key Features</h3>
<ul>
<li>Detects PHP fatal errors, parse errors, compile errors, and core errors.</li>
<li>Automatically deactivates the faulty plugin during activation or update.</li>
<li>Displays a clear admin notice indicating which plugin caused the issue and what type of error it triggered.</li>
<li>Lightweight: No database usage (uses transients), no impact on performance.</li>
<li>No settings page — works silently in the background for your safety.</li>
</ul>
<h3>⚠️ Limitations</h3>
<ul>
<li>Only handles PHP errors — does not detect:
<ul>
<li>JavaScript errors</li>
<li>CSS conflicts</li>
<li>Plugin conflicts that don’t produce fatal errors</li>
</ul>
</li>
<li>Only handles errors during activation or update (not runtime issues).</li>
<li>Designed for administrator-level users who manage plugin changes.</li>
</ul>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. See https://www.gnu.org/licenses/gpl-2.0.html for details.

Plug Error Handler

Automatically detects and deactivates plugins that cause PHP fatal or parse errors during activation or update to prevent site crashes.

Conflict Finder vs Plug Error Handler