mokorana

This extension adds an additional “Product SKU” search filter to your WooCommerce Orders page. 
It allows searching orders by product SKU as well as variation SKU, making it easier to locate orders tied to specific variations.
Supports both HPOS (High-Performance Order Storage) and Legacy order tables.

Mokorana Orders SKU Search

A WooCommerce extension that allows you to search orders by Product SKU and Variation SKU in the Admin Panel.

hpgong

The purpose of Simple SKU Generator plugin is to create SKU for the products.
<h3>Instructions</h3>
Click here <a href="https://github.com/hp-gong/hp-sku-generator/raw/master/sku-overview.pdf" rel="nofollow ugc">sku-overview.pdf</a> to download the instructions
Read the sku-overview.pdf for more details how the plugin works
These are the 4 current browsers that currently support/display this plugin correctly:
<ol>
<li>FireFox (Current Version: 84.0.2 and up)</li>
<li>Chrome (Current Version: 87.0.4 and up)</li>
<li>Opera (Current Version: 73.0.3 and up)</li>
<li>Microsoft Edge (Current Version: 87.0.6 and up)</li>
</ol>

Simple SKU Generator

doesn't work for variable products, a bit convoluted to use.

doesn't work for variable products

The purpose of Simple SKU Generator plugin is to create SKU for the products.

Mokorana Orders SKU Search vs Simple SKU Generator