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.

Kamran Ali

SmartZoom lets your customers examine product details up close with a smooth magnifying effect on product images. Ideal for stores selling clothing, jewelry, electronics, art, or any item where visual clarity is key.
Features: 
– Lightweight and easy to use 
– Seamless integration with WooCommerce galleries 
– Enable/disable via settings panel 
– Adjustable zoom level 
– Compatible with most modern themes

SmartZoom

A lightweight plugin that adds a clean magnifying zoom effect to WooCommerce single product images.

NS Watermark For WooCommerce vs SmartZoom