We discover that our Single Product images as set in Woocommerce> Setting > Products > Display are set to big. Single Product Image: 500 ×750px xHard Crop

I have tested plugin regenerate thumbnails but that does not work on the product images. Also test plugins Resize-image-after-upload. But that plugin does it for all images if bigger then a certain size. So not to use either. Try to get a plugin or functions.php code to re-size all existing product images to the right dimension. Without luck.

Question: Do you know a plugin or php code for functions.php that does resize all full product images?

Would be very helpful.

2 Answers 2


I use this one for rebuild thumbnails: https://wordpress.org/plugins/ajax-thumbnail-rebuild/

  • Hi this is not a solution. I have ask for products not for thumbnail images. See "plugin regenerate thumbnails does not work on the product images".
    – Hermants
    Feb 25, 2016 at 19:30
  • Strange, I've always used it to rebuild product images, since they use the same structure. Feb 26, 2016 at 0:26
  • You're right. I forget to delete the cache. Via ftp is see all images are changed. Thanks for your help.
    – Hermants
    Feb 26, 2016 at 8:35
  • Glad it worked :) Feb 26, 2016 at 13:29
  • downvoted as link only answers to external resources are not actual answers May 9, 2018 at 5:46

Theme authors can now declare image sizes via the add_theme_support function. Declaring image sizes this way will take priority over any other settings and also hide the image settings section in the admin area.

add_theme_support( 'woocommerce', array(
    'thumbnail_image_width' => 150,
    'single_image_width' => 322,
) );
  • that do not help with existing images May 9, 2018 at 5:45

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