gutenmate

A simple plugin to help you hide any block on a page with conditions.
Features:
<ul>
<li>Hide blocks based on device screen size.</li>
<li>Hide blocks when positioned as the first or last child element.</li>
<li>Hide blocks when the query block has no result</li>
</ul>

Conditional Hide Block by Gutenmate

Hide any block with conditions for the Gutenberg editor.

Khurram Ashfaq

Conditional Widget Display lets you control widget visibility based on:
<ul>
<li>Pages</li>
<li>Posts</li>
</ul>

Capri Widget Visibility

Show or hide widgets based on posts and page — no coding needed!

Conditional Hide Block by Gutenmate vs Capri Widget Visibility