Title: force default sizes
Last modified: April 5, 2020

---

# force default sizes

 *  Resolved [gturban](https://wordpress.org/support/users/gturban/)
 * (@gturban)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/force-default-sizes/)
 * I’m using a theme that seems to have many custom sizes. When I look at list of
   default it is 13 theme sizes in addition to the ones from WP and WooCommerce.
   If I disable these sizes from the theme can I force it to use the closest size
   from the default WP sizes?
 * If I edit this list for default, does it override any setting for specific post
   types?
 * Thanks,
    GT

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Author [Iulia Cazan](https://wordpress.org/support/users/iulia-cazan/)
 * (@iulia-cazan)
 * [6 years, 2 months ago](https://wordpress.org/support/topic/force-default-sizes/#post-12631256)
 * Hello,
 * I am not sure I understand exactly what you need to achieve. By default, any 
   image size that is not generated would be rendered on the pages with the full
   image size (the original file you upload). This is how WordPress renders the 
   images. There is nothing implemented that can approximate and replace images 
   programmatically based on some type of match. However, depending on the context,
   you can create advanced rules with my plugin to generate only the image sizes
   you select.
 * The way I do in my projects is like this:
    – first, I assess the front side and
   decide from the content which images proportions are similar. Then I make a list
   of which image sizes can be rendered as the native thumbnail, which as the medium,
   which as the large and so on. – then, I adjust the thumbnail/medium/large media
   settings in order to fit as good as possible the expected sizes – then I would
   create the custom rules to generate only these specific images sizes for the 
   custom post types, or pages or posts targeted with categories or tags.
 * Let me know if this helps.
 * Regards,
    Iulia
 *  Plugin Author [Iulia Cazan](https://wordpress.org/support/users/iulia-cazan/)
 * (@iulia-cazan)
 * [6 years ago](https://wordpress.org/support/topic/force-default-sizes/#post-12811003)
 * Hello,
 * I haven’t heard back from you in a while so I will mark this as resolved.
    You
   can start a new thread if you have any other questions.
 * If you are satisfied with my plugin and you haven’t rate/review it yet, please
   do this. It would not take you more than one minute and it would help me. Thank
   you!
 * Regards,
    Iulia
 *  Thread Starter [gturban](https://wordpress.org/support/users/gturban/)
 * (@gturban)
 * [6 years ago](https://wordpress.org/support/topic/force-default-sizes/#post-12813869)
 * Thank you.
    – then I would create the custom rules to generate only these specific
   images sizes for the custom post types, or pages or posts targeted with categories
   or tags. How do you make the site use the default sizes instead of full image
   size if the theme created size is missing? I was hoping there was a way to set
   wordpress to use the closest available size, instead of the full size.
 * So if theme have made and used the size 500×500, and medium size is 450×450 or
   550×550 it would use the medium, not the full size. Even if this had to be set
   manually when removing many unnecessary sizes in a theme it would help reduce
   amounts of images.
 * Thanks!
    GT

Viewing 3 replies - 1 through 3 (of 3 total)

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## Tags

 * [image size](https://wordpress.org/support/topic-tag/image-size/)
 * [resizing](https://wordpress.org/support/topic-tag/resizing/)

 * 3 replies
 * 2 participants
 * Last reply from: [gturban](https://wordpress.org/support/users/gturban/)
 * Last activity: [6 years ago](https://wordpress.org/support/topic/force-default-sizes/#post-12813869)
 * Status: resolved