Resize Divi-Style Gallery Thumbnails

Written by Dan Mossop

The Divi theme includes the option to replace the standard WordPress gallery with a Divi-style gallery (which, while not a module, resembles the galleries generated by the Gallery Module). By default the gallery image sizes are cropped to 400x284px. Here's how to change the thumbnail size.

Resize the Images with PHP

There is no option to change the thumbnail sizes on the front-end. There is, however, a way to do it using PHP.

First, you need to add the following PHP code to your site:

add_filter('et_theme_image_sizes', 'db_resize_divi_gallery_images');

function db_resize_divi_gallery_images($sizes) {
    unset($sizes['400x284']);
    $sizes['225x225'] = 'et-pb-portfolio-image';
    return $sizes;
}

That will let you change the default size of the images. You can change the 225×225 part of the code to get a different size. Keeping the width / height the same will give you square images.

Finally, once the code is added you need to regenerate the images with a plugin such as this:

https://wordpress.org/plugins/regenerate-thumbnails/

Once installed, go to "WP dashboard > Tools > Regenerate Thumbnails" and click regenerate. You should only need to do it once to resize your existing images. After that, newly uploaded images should be resized correctly on upload.

Discover Divi Gallery Booster

Enhance your Divi gallery with more styling options using Divi Gallery Booster. Perfect for customizing your gallery's appearance beyond the default settings, making them truly stand out.

About Dan Mossop

Dan is a Scottish-born web developer, now living in Brisbane with his wife and son. He has been sharing tips and helping users with Divi since 2014. He created Divi Booster, the first Divi plugin, and continues to develop it along with 20+ other Divi plugins. Dan has a PhD in Computer Science, a background in web security and likes a lot of stuff, 

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