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Header Watermark provides you with extra flexibility and control over the header image(s) for your WordPress site:
<ul>
<li>Use any image from your Media Library as a watermark for your header image(s)</li>
<li>Control the placement and opacity of the watermark</li>
<li>Select any suitable image from your Media Library as your header image(s)</li>
<li>Control which images are used for random header images</li>
</ul>
<h3>Requirements</h3>
Header Watermark requires the following to work:
<ul>
<li>GD Library PHP extension – version 2.0.28 or higher</li>
<li>The WordPress theme must use the get_header_image() function to generate the header image and must also define the HEADER_IMAGE_WIDTH and HEADER_IMAGE_HEIGHT constants</li>
</ul>
<h3>Themes</h3>
This plugin works with the Twenty Ten theme with no further configuration.
If you use this plugin with the Twenty Eleven theme, you may see a notice at the top of your website/WordPress admin pages like this:
<blockquote>
Notice: Constant HEADER_IMAGE already defined in /var/www/yoursite/wordpress/wp-content/themes/twentyeleven/functions.php on line 118
</blockquote>
You may also find that you get occasional errors on some WordPress admin pages, for example if you activate a different theme.
To prevent the notice and errors, find and change the following line in the functions.php file of the Twenty Eleven theme:
Change this: 
 define( ‘HEADER_IMAGE’, ” ); 
to this: 
 if ( ! defined( ‘HEADER_IMAGE’ ) ) { 
 define( ‘HEADER_IMAGE’, ” ); 
 }
Any other themes that define the HEADER_IMAGE constant may have the same problems and need to be altered in the same way for the plugin to work.

Header Watermark

Add a watermark image to your WordPress header image and use suitable images from your media library as the header image(s).

Nabil Lemsieh

<a href="https://sirplugin.com/" rel="nofollow ugc">Smart Image Resize</a> is the ultimate solution for consistent and uniform product images in your store.
Stop losing sales because of an uneven, unprofessional-looking product grid. This plugin automatically resizes and adjusts product photos to ensure every image is the same size, same aspect ratio, and perfectly centered—all without losing parts of your product to bad cropping.
It’s the #1 tool for product photo consistency and is essential for stores with large catalogs or mixed-size image sources.
<h3>Key Benefits</h3>
<ul>
<li>Uniform Sizing: Automatically makes all product images the same size and aspect ratio, eliminating messy product grids.</li>
<li>No More Cropping Headaches: Preserves the entire product within the image frame, preventing important parts of your product from being cut off.</li>
<li>Whitespace Trimming: Removes unwanted white space around the product to keep it centered and prominent.</li>
<li>Bulk Processing: Resize and fix your entire existing catalog.</li>
<li>Performance Ready: Includes features to compress thumbnails and generate only necessary sizes, boosting site loading speed.</li>
</ul>
<h3>Perfect for:</h3>
<ul>
<li>WooCommerce stores with mixed image sizes </li>
<li>Dropshipping or supplier-imported images</li>
<li>Large catalogs (10,000+ products) needing automation</li>
<li>Multivendor marketplaces where sellers upload images in different sizes (Dokan, WCFM, etc.)</li>
<li>Stores migrating themes and needing standard-size images</li>
</ul>
<h3>🛠️ Free Features</h3>
<ul>
<li>✅ Automatically resize and process new product images on upload</li>
<li>✅ Bulk resize up to 150 existing product images.</li>
<li>✅ Remove unwanted white space to keep products centered and clean.</li>
<li>✅ Add background color to match your brand </li>
<li>✅ Compress thumbnails to boost site loading speed </li>
<li>✅ Generate only necessary thumbnails and remove unused ones to save disk space.</li>
<li>✅ Select specific images to resize for more control</li>
</ul>
<h3>🔥 Pro Features</h3>
<ul>
<li>♾ No limits – Resize and optimize unlimited product images.</li>
<li>✈️ PNG to JPG auto conversion – Reduce size, keep quality.</li>
<li>🚀 WebP image support – Serve next-gen WebP images for faster loading and better retention of image transparency.</li>
<li>🔒Watermark protection – Automatically add watermarks to your resized images.</li>
<li>🛟 Priority support – Get fast, dedicated support via chat or email.</li>
</ul>
<a href="https://sirplugin.com?utm_source=wp&utm_medium=link&utm_campaign=lite_version" rel="nofollow ugc">Check out Smart Image Resize PRO!</a>
<h4>Here’s What Our Users Are Saying</h4>
★★★★★
<blockquote>
“I am so impressed with this plugin. I never bother writing plugin reviews but this plugin blew my mind. Definitely upgrade.” – <a href="https://wordpress.org/support/topic/best-plugin-that-solved-all-my-image-issues/" rel="ugc">@buttonmode</a>
</blockquote>
★★★★★
<blockquote>
“I downloaded the free version and after 3 minutes I bought the PRO version. The plugin is EXCELLENT! For a year I didn’t know what to do with WooCommerce photos, because we have 30,000 imported products with different photos.” – <a href="https://wordpress.org/support/topic/excellent-8052/" rel="ugc">@prokurent</a>
</blockquote>
★★★★★
<blockquote>
“I recommended this to a dev friend the day after I used it, he used it as well. (We both ended up getting the Pro version to leave it on, customers don’t care to crop their images on their own tbh).” – <a href="https://wordpress.org/support/topic/did-its-job-and-saved-a-ton-of-tedious-work/" rel="ugc">@jpontinen</a>
</blockquote>
★★★★★
<blockquote>
“[••]The time saving benefits are enormous and the plugin support is A+. They have a chat that helps you solve any issues immediately.” – <a href="https://wordpress.org/support/topic/brilliant-lifesaver-with-incredible-support/" rel="ugc">@chickwithbob</a>
</blockquote>
<h3>Usage</h3>
Smart Image Resize automatically resizes new product images on upload. To resize already uploaded images, follow these steps:
<ol>
<li>In your WordPress dashboard, go to WooCommerce > Smart Image Resize > Bulk Regenerate Images.</li>
<li>Click “Install Regenerate Thumbnails” button.</li>
<li>Go to Tools > Regenerate Thumbnails.</li>
<li>Click “Regenerate Thumbnails For All Attachments” button.</li>
</ol>
Feel free to adjust the settings by going to WooCommerce > Smart Image Resize
For more details, <a href="https://sirplugin.com/guide.html?utm_source=wp&utm_medium=link&utm_campaign=lite_version" rel="nofollow ugc">see our documentation</a>.
<h3>Explore Our Other plugins:</h3>
<a href="https://wordpress.org/plugins/hurrytimer/" rel="ugc">HurryTimer</a> – A powerful countdown timer to create urgency and drive sales 
<a href="http://rethumbify.com/" rel="nofollow ugc">ReThumbify</a> – A new tool to regenerate thumbnails in the background, with pause/resume functionality, old thumbnails cleanup, and selective regeneration.

Smart Image Resize – Make WooCommerce Images the Same Size


This plugin worked very well for my clients website, I recommend!


Worked very well for my clients website

FIX Uneven WooCommerce image sizes! Smartly resize and make all product photos uniform, square, and consistent while preserving the full image.

Header Watermark vs Smart Image Resize – Make WooCommerce Images the Same Size