ivantrendafilov

Bulk Trash by URL helps editors and SEOs quickly clean up content by trashing items based on a list of URLs. Paste your URLs, let the plugin map each URL to a post ID (handles common variations like trailing slashes and marketing query params), select what you want to remove, and process in efficient batches with progress feedback.
Key features:
<ul>
<li>Paste URLs to find matching posts, pages, and custom post types.</li>
<li>Fast URL-to-post mapping in AJAX batches with progress bar.</li>
<li>Select exactly which items to trash before running.</li>
<li>Batched trashing with live progress, pause/resume controls.</li>
<li>Optional completion summary with counts and lists (trashed, failed, no permission, invalid).</li>
<li>Settings to tune performance and limits:
<ul>
<li>Max Page Size (mapping batch size)</li>
<li>Max URLs per run</li>
<li>Toggle completion summary</li>
<li>Optional mode to set matched items to Private instead of Trash</li>
</ul>
</li>
</ul>
Built for large lists and long-running jobs. Everything goes to the WordPress Trash, so you can restore or permanently delete as you normally would.
Capabilities & security:
<ul>
<li>Restricted to users who can <code>manage_options</code>.</li>
<li>Nonce-protected AJAX endpoints.</li>
<li>Conservative sanitization and server-side validation.</li>
</ul>
Compatibility notes:
<ul>
<li>Works with sites using pretty permalinks. Mapping relies on WordPress <code>url_to_postid()</code> and common URL variants.</li>
<li>Custom post types are supported if they use public, front-end URLs.</li>
</ul>

Bulk Trash by URL

Bulk‑trash posts, pages and custom post types from pasted URLs. Fast URL mapping, batched processing with pause/resume, and an optional summary.

andyexeter

Post Lockdown protects your site-critical pages and posts by disabling all non-admin users’ ability to trash or delete them. 
It can also lock pages and posts, which will disable editing of the post as well as disabling trashing/deleting.
The plugin adds a new options page under the Settings menu in your WordPress admin panel which allows you to quickly search and 
select for all pages and posts of any post type. When you find the item you want to select, simply click it to move it to the right 
box and click Save Changes.
See the screenshots for an example of what an Editor would see when they view a list of posts with some locked and protected.

Post Lockdown

Works very well, my only criticism is that private posts/pages should be lockable, ie private posts should appear in the search form.

In order to lock them currently you need to publish them, then lock/portect, and then make it private again

Update!! the developer added the minor feuature request/bug. This plugin is now perfect!

Now perfect

I think the plugin is really useful, otherwise I wouldn't have made it ;)

Great Plugin

Allows admins to protect selected posts and pages so they cannot be trashed or deleted by non-admin users.

Bulk Trash by URL vs Post Lockdown