Smart Image Resize works correctly when the following requirements are available:
  • PHP 5.4 or greater
  • WordPress 4.0 or greater
  • WooCommerce 3.0 or greater

Installing Smart Image Resize Free

In your WordPress dashboard:

  1. Navigate to Plugins > Add New.
  2. In the search field, enter Smart Image Resize for WooCommerce, and click on Install Plugin.
  3. Finally, click on Activate.

Installing Smart Image Resize Pro

Before installing the pro version, make sure you deactivated the free version if already installed.
  1. Download the zip file you received in your purchase confirmation email.
  2. In your WordPress dashboard, navigate to Plugins > Add New. Choose the zip file you've just downloaded. Click on Install, then click on Activate the plugin.

Activating license

  1. In your WordPress dashboard, Navigate to Plugins > Installed Plugins. Locate Smart Image Resize Pro.
  2. Enter the license key you received in your purchase confirmation email and click on Activate.


By default, the plugin doesn't require any confirmation to get started.

Optionally, you can change settings to fit your needs by navigating to WooCommerce > Smart Image Resize:


Select which thumbnails sizes to generate. The needed sizes are selected by default.

Default: woocommerce_thumbnail, woocommerce_single, woocommerce_gallery_thumbnail

Background Color

set the color of the emerging (empty) area of generated thumbnail. Leave it empty for transparent background.
Default: White

Trimming whitespace

This allows to remove unwatend empty space around uploaded image:
Default: Disabled

Trimmed whitespace demo
Trimming whitespace

Image Compression

Compress images to reduce image file size and improve page load time.

Default: 5%

Convert to JPG format

Convert images to JPG to boost page load speed.

Default: Disabled

Enable WebP format

WebP is the rockstart of image formats. Using WebP can dramatically reduce image file size while preserving the same quality and transparency. WebP format is widely supported by all modern browsers, otherwise, it fallbacks automatically to standard image. Default: Disabled

Regenerating Thumbnails

Follow these steps to regenerate your shop thumbnails to match your settings:

  1. Install Regenerate Thumbnails plugin.
  2. Navigate to Tools > Regenerate Thumbnails.
  3. Uncheck Skip regenerating existing correctly sized thumbnails (faster) option.
  4. Finally, click Regenerate Thumbnails For All N Attachments button.
If old images still showing, clear your browser cache.
Regenerate thumbnails
Regenerate thumbnails