How to change product image dimensions in WooCommerce

In order to configure the image dimensions, follow the steps listed below:

  1. Open your WordPress admin panel and navigate to WooCommerce -> Products. Select Product tab and click Display. 
  2. Scroll down to change the parameters for the following options: Catalog image, Single Product image, Product Thumbnails;
  3. Uncheck the Hard Crop option if you do not want the images to be cropped, but re-sized. Save the changes. 
  4. Right now only the newly added images will be resized according to these parameters. In order to re-size previously added images, you can use the extension to re-generate the thumbnails. 
  5. Download the extension and install it in Plugins -> Add new. 
  6. After you install the extension, navigate to Tools > Regenerate thumbnails and click Regenerate All Thumbnails. 
  7. After the regenerating process, all the product images should appear with new dimensions set.