Stop Generating Unnecessary Thumbnails (Formerly Stop Generating Image Sizes)


Big Update

Since version 3.0 or higher, you can now regenerate thumbnails of your existing images!

When you upload an image using Media Uploader, WordPress generates multiple copies/thumbnails of that image. By default, WordPress generates 4 thumbnails-

  • Thumbnail
  • Medium
  • Medium-large
  • Large

But along with this, theme and plugin developers can register their own thumbnails. Although they may be on purpose, but sometimes they remain unused.

Think about it, unnecessary additional images are eating up your server space and slowing down your site!

Sounds like a problem? What is the solution then?
This is where our plugin comes into the picture. Just install the plugin and choose which of the imaze sizes you want to prevent from generating.

  • Works with any plugin and theme.
  • WooCommerce compatible.
  • Multisite compatible.
  • Super easy to install and configure.
  • It’s free and always will be.


  • Disable unnecessary thumbnails
  • Regenerate thumbnails
  • Help & FAQs


  1. Upload image-sizes to the /wp-content/plugins/ directory
  2. Activate the plugin through the Plugins menu in WordPress
  3. Go to Image Sizes menu from the left and choose which of the sizes you want to prevent from generating.

Часто задаваемые вопросы

Does it work with multisite?

Yes, it’s fully compatible with WordPress multisite installations

Does it work with WooCommerce?

Yes, it doen.

What about my old thumbnails?

From version 3.0 and higher, you can now regenerate thumbnails of your existing images. Just go to the Regenerate Thumbnails tab and click on the Regenerate button.

My question is not answered here.

Please post on our support forum here


I tried many plugins to disable image sizes and there were always some left. Not with this one. It is the best plugin I have tried
Hi, I use the Divi theme. Each media file uploaded generates about 14 different images including the original. That's a lot of space and inode usage. This plugin allows you to choose the sizes you want generated on upload. Often, I just have 2 .... one a 150x150px image for media gallery thumbnail and the original. That means I'm not generating 12 extra images that aren't used. It also allows you to regenerate images ... only those you require ... which is insanely useful ... you can get rid of tonnes of existing images that you are not using. It is a great plugin ... five stars ... try it Regards Mark
thank you so much. you saved me. my site was making 21thumbnails and slowen down my site speed. something that you didnt mention is after choosing setting you have to press regenerate to start deleting old thumbs and generate the ones needed or maybe I missed that part. thanks alot again.
Over the years, WordPress and our themes/plugins has gather 21 different types of thumbnails, so the size was increasing at an alarming speed. By disabling all thumbnails, all 6000 thumbnails are gone for good and after a bit of manual tweaking, all media are functioning as usual. Long live this plugin!
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  • [fix] Small fix


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