WooDev

Product Video Showcase for WooCommerce allows you to add video previews to your WooCommerce products. When customers hover over a product image, they’ll see a video preview, giving them a better understanding of the product.
Features: 
* Support for YouTube, Vimeo, and direct video URLs 
* Customizable video fit options 
* Easy to use interface in the product editor 
* Responsive design
<h4>Learn More</h4>
Visit <a href="https://woodev.net/" rel="nofollow ugc">woodev.net</a> to learn more about us discover how it can take your website’s user engagement to the next level.
<h3>How to Use</h3>
To add a video preview to a product:
<ol>
<li>Go to Products > All Products in your WordPress admin panel</li>
<li>Edit the product you want to add a video to</li>
<li>In the product data meta box, click on the “General” tab</li>
<li>Scroll down to find the “Product Video URL” field</li>
<li>Enter the URL of your YouTube, Vimeo, or directly hosted video</li>
<li>(Optional) Choose a “Video Fit” option to control how the video displays</li>
<li>Update or publish your product</li>
</ol>
The video will now appear when customers hover over the product image in your shop.

Product Video Showcase for WooCommerce

Enables dynamic video previews on product hover in WooCommerce shop pages.

Akaal Creatives

Saral PDF Preview lets you attach a PDF file to any WooCommerce product. A configurable button appears on the product page and opens the PDF in a clean, distraction-free lightbox — no download, no print, just a smooth in-browser reading experience powered by PDF.js.
Features
<ul>
<li>Upload a PDF per product via a dedicated meta box in the product editor.</li>
<li>Configurable button text (default: “Preview Book”).</li>
<li>Choose from 7 hook locations on the product page — a live visual diagram shows exactly where the button will appear.</li>
<li>Protected mode (default): the real PDF URL is never exposed to visitors; the file is streamed through a signed REST endpoint.</li>
<li>Public mode: uses the standard WordPress attachment URL.</li>
<li>Zoom in / zoom out controls inside the lightbox.</li>
<li>Keyboard accessible — press Escape to close.</li>
<li>Responsive layout on mobile.</li>
<li>No tracking, no external requests, no upsells.</li>
</ul>

Saral PDF Preview for WooCommerce

Add a PDF preview button to WooCommerce product pages. Customers can view a PDF sample in a lightbox without downloading.

Product Video Showcase for WooCommerce vs Saral PDF Preview for WooCommerce