prevent wordpress from creating thumbnails of an image

3 comments

1. Check out @Otto’s plugin Dynamic Image Resizer. I think it does exactly what you’re asking for.

   I haven’t used it before, so I can’t vouch for it, but the plugin author’s identity goes a long way toward me trusting it.

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2. The plugin

   As an alternative to @mrwweb answer, I can recommend my plugin »Dynamic Image Resize«, which is not hosted in the official repository – Disclaimer: it’s free and it’s not a fork of ottos plugin.

   How it works:

   There’s a Shortcode to make things easy:

   Place [dynamic_image] in your content. The shortcode has four arguments:

   • src Full path to the image in your upload directory or the ID
   • width Integer value
   • height Integer value
   • classes Css classes – separated by a space

   There’s also a template tag, that you can use in your theme.

   // The args need to be an array
   dynamic_image_resize( array(
        // The full path to the image in your uploads folder
        'src'     => 'http://example.com/wp-content/uploads/2012/03/some_image.png'
        // OR: the ID
        'src'     => 6
   
       ,'width'   => 60
       ,'height'  => 100
       ,'classes' => 'some classes to align and style the image'
   ) );
   

   Disable default sizes

   Simply go to

   Admin UI/backend » Settings » Media

   then add 0 as height/width for sizes that you don’t need. This disables the generation of this size.

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3. If your theme is using WordPress Feature Image then you should check functions.php there you could find something similar to the code below

   add_image_size( 'homepage-thumb', 220, 180, true ); 
   

   The term homepage-thumb could be different. You can remove/comment out the code which calls for different image sizes that you think are not required.

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