tyfdesign

When activated, this plugin: 
1. Closes comments and pings on all existing public content (posts, pages, and custom post types). 
2. Sets WordPress defaults to disallow new comments and pings on all future content. 
3. Ensures that newly created or updated posts remain closed to comments. 
4. Hides the default Comments menu in the admin sidebar when enabled. 
5. Provides a simple Settings page with a single Activate / Deactivate button to toggle behavior.
When deactivated, the plugin restores the default WordPress discussion settings without reopening previously closed comments.
Created by TYF Design.

Do Not Allow Comments Everywhere

A lightweight plugin that globally disables comments and pings across all WordPress content - past and future.

shuliakmaster

CommentOff is a lightweight plugin that gives you full control over comments on your WordPress website.
With just a few clicks, you can: 
– Disable the comment form on posts and pages. 
– Hide all previously published comments from the frontend. 
– Remove all comment-related menus and elements from the admin panel and toolbar.
Perfect for website owners who want to fully disable comment functionality — globally, without editing themes or templates.
<h3>Features</h3>
<ul>
<li>Hide the comment form on all public posts/pages.</li>
<li>Prevent users from submitting new comments.</li>
<li>Hide already published comments on the frontend.</li>
<li>Remove “Comments” from admin menus and dashboard widgets.</li>
<li>Clean and safe implementation using WordPress hooks and filters.</li>
<li>No impact on performance.</li>
</ul>

CommentOff

Easily disable all comments on your WordPress site: hide the form, block existing comments, and remove comment elements from the admin panel.

Do Not Allow Comments Everywhere vs CommentOff