WPZOOM

Secondary Product Image for WooCommerce adds a hover effect that will reveal a secondary product thumbnail to product images on your WooCommerce product listings
<a href="https://demo.wpzoom.com/balance/shop/" rel="nofollow ugc">VIEW DEMO</a>
<h3>Features</h3>
<ul>
<li>Allows to upload a secondary Featured Image for WooCommerce products</li>
<li>Uses the first image from product gallery as fallback if there’s no second Featured Image</li>
<li>Works with Classic & Block Themes</li>
<li>Works with 99% themes</li>
<li>Supports Lazy Loading Images</li>
<li>The secondary image is loaded only when hovering a product so it doens’t affect the loading speed of pages</li>
</ul>
<h3>Recommended Themes & DEMO</h3>
<a href="https://www.wpzoom.com/themes/balance/" rel="nofollow ugc">Balance</a> 
<a href="https://www.wpzoom.com/themes/inspiro/" rel="nofollow ugc">Inspiro</a> 
<a href="https://www.wpzoom.com/themes/inspiro-pro/" rel="nofollow ugc">Inspiro PRO</a> – NEW
<h4>Additional Resources</h4>
<ul>
<li><a href="https://profiles.wordpress.org/wpzoom/#content-themes" rel="nofollow ugc">Grab a free theme</a></li>
<li><a href="https://www.wpzoom.com" rel="nofollow ugc">WPZOOM website</a></li>
<li><a href="https://github.com/wpzoom/secondary-product-image-for-woocommerce" rel="nofollow ugc">GitHub repository</a></li>
</ul>

Secondary Product Image for WooCommerce

Secondary Product Image for WooCommerce adds a hover effect that will reveal a secondary product thumbnail to product images on your WooCommerce produ …

NsThemes

Apply your watermark on your WooCommerce product images — without overwriting them!
NS Watermark For WooCommerce overlays a watermark image on top of your shop and single-product photos at display time. 
The original files stored in your Media Library are never modified.
Features (free version)
<ul>
<li>Choose any image from your Media Library as the watermark.</li>
<li>Always show the watermark, or show it only to guests (not logged-in users).</li>
<li>Enable / disable with a single setting.</li>
<li>Compatible with WordPress 7.0 and WooCommerce 10.8.1.</li>
<li>No GD extensions need to be installed separately (bundled with PHP ≥ 7.4).</li>
</ul>
3rd Party / External Services
<ul>
<li>PluginEye — used for opt-in usage tracking (plugin activation/deactivation events, site address, WordPress version, active plugin list). Data is collected only after explicit user consent is given on the opt-in screen shown at first activation. Read more: <a href="https://www.plugineye.com/privacy-policy/" rel="nofollow ugc">Privacy Policy</a> — <a href="https://www.plugineye.com/terms-of-service/" rel="nofollow ugc">Terms of Service</a>. This service is provided by NsThemes.</li>
</ul>
All watermark image processing is performed locally on your web server using PHP’s built-in GD library. No image data is sent to external servers.

NS Watermark For WooCommerce

Protect your WooCommerce product images by overlaying a watermark on-the-fly — no permanent changes to your files.

Secondary Product Image for WooCommerce vs NS Watermark For WooCommerce