Title: Featured Image resize
Last modified: August 30, 2016

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# Featured Image resize

 *  [gsteinbrenner](https://wordpress.org/support/users/gsteinbrenner/)
 * (@gsteinbrenner)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/)
 * I’m having a problem with resizing of my featured image. I’m uploading a picture
   1000×667, using that picture in my blog post and also setting it as my featured
   image. Then on my home page, it cuts off the top and bottom. Its only doing this
   on some and not others. Any ideas?
 * Home page: foodieo.net
    notice how the main picture is cropped off compared to
   this one: [http://foodieo.net/apple-stuffed-acorn-squash/](http://foodieo.net/apple-stuffed-acorn-squash/)

Viewing 8 replies - 1 through 8 (of 8 total)

 *  [bdbrown](https://wordpress.org/support/users/bdbrown/)
 * (@bdbrown)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598593)
 * Hi gsteinbrenner. Welcome to the Hueman forum. Let me preface this by saying 
   I am not a WP expert nor do I pretend to know everything there is to know about
   image management in WP. But I’ll try to explain what I think is happening.
 * When you upload an image to the Media Library the theme uses a “hard crop” to
   create the following thumbnails:
    ( ‘thumb-small’ ) 160 x 160 ( ‘thumb-standard’)
   320 x 320 ( ‘thumb-medium’ ) 520 x 245 ( ‘thumb-large’ ) 720 x 340
 * The theme uses the 720×340 thumbnail for the slider featured image. This is your
   original 1000×667 image resized to 720px width. The height is then resized proportionately
   to (720/1000) x 667 = 480px. Since 480px this is larger than the designated thumbnail
   height, the thumbnail is cropped top and bottom to 340px. When it is displayed
   the thumbnail is resized using css to 100% of the slider width of 621px and the
   height is resized proportionately to 293px.
 * On the home page post the theme is using the 520×245 thumbnail. Again, your original
   1000×667 image is resized in width to 520px, and the height is resized proportionately
   using (520/1000) x 667 = 346px. Since 346px is larger than the designated thumbnail
   height, the thumbnail is cropped top and bottom to 245px. It is resized for display
   using css to 100% of the column width of 296px and the height is resized proportionately
   to 139px.
 * Your embedded post image is using the full-size image of 1000×667 which is being
   resized using css to 100% of the content width of 781px; the height is resized
   proportionately to 521px.
 * So, how to fix it. One thing you could try is copying the alx_setup() function
   in functions.php to a child theme functions.php file:
 *     ```
       function alx_setup() {
       	// Enable title tag
       	add_theme_support( 'title-tag' );
   
       	// Enable automatic feed links
       	add_theme_support( 'automatic-feed-links' );
   
       	// Enable featured image
       	add_theme_support( 'post-thumbnails' );
   
       	// Enable post format support
       	add_theme_support( 'post-formats', array( 'audio', 'aside', 'chat', 'gallery', 'image', 'link', 'quote',
       'status', 'video' ) );
   
       	// Declare WooCommerce support
       	add_theme_support( 'woocommerce' );
   
       	// Thumbnail sizes
       	add_image_size( 'thumb-small', 160, 160, true );
       	add_image_size( 'thumb-standard', 320, 320, true );
       	add_image_size( 'thumb-medium', 520, 245, true );
       	add_image_size( 'thumb-large', 720, 340, true );
   
       	// Custom menu areas
       	register_nav_menus( array(
       		'topbar' => 'Topbar',
       		'header' => 'Header',
       		'footer' => 'Footer',
       	) );
       }
       ```
   
 * This function contains the theme thumbnail sizes. Change the thumb-medium and
   thumb-large entries as described in [this post](https://wordpress.org/support/topic/featured-images-being-cropped).
   Install and run the [Regenerate Thumbnails plugin](https://wordpress.org/plugins/regenerate-thumbnails/).
 * In addition to the theme-generated thumbnails, WP creates four additional thumbnails:
   (‘
   thumbnail’ ) 150 x 150 ( ‘medium’ ) 300 x 300 ( ‘large’ ) 640 x 640 ( ‘full’ )
   original image size
 * If WP can’t create the exact thumbnail size it will try to create something close.
   What happens if your original image is smaller than the thumbnail sizes? Thumbnails
   larger than the image aren’t created. If the theme needs a thumbnail that doesn’t
   exist it uses the ‘full’ size and expands it to fit wherever it goes which, depending
   on how much it’s expanded, can look really b-a-d.
 * So, hope that helps. I have links to several other related posts and articles;
   let me know if you’re interested in more info. I personally think media management
   is one of the least documented and least understood parts of WP. The user uploads
   an image and expects that it will fit where it’s supposed to and look right. 
   And when it doesn’t, they say “why not?” and go searching for a fix. On your 
   home page, you would think the post thumbnails should all be the same size, but
   they’re not. Given everything I said above, why is the “Grilled Marinated Shrimp”
   post using an uncropped 367×245 thumbnail instead of 520×245? I don’t know the
   answer. Frustrating for both the user and those of us trying to help, and time
   consuming for everyone involved. Maybe someday it will be better.
 *  Thread Starter [gsteinbrenner](https://wordpress.org/support/users/gsteinbrenner/)
 * (@gsteinbrenner)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598706)
 * Thanks for the reply. What you say makes a lot of sense, though I’m pretty new
   to all of this and haven’t used a child theme before. I thought I figured it 
   out but it doesn’t make a difference.
 * I took a screen shot of what I did and put it here. Does this look right?
 * [http://foodieo.net/temp/](http://foodieo.net/temp/)
 *  [bdbrown](https://wordpress.org/support/users/bdbrown/)
 * (@bdbrown)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598710)
 * That looks correct. Have you tried uploading the image again, with a different
   name, to see what you get?
 *  Thread Starter [gsteinbrenner](https://wordpress.org/support/users/gsteinbrenner/)
 * (@gsteinbrenner)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598742)
 * Yes, I tried uploading the same picture with a different name, I tried uploading
   the picture 520*347, I tried changing the code in functions.php and in the child
   theme.
 * Any other suggestions?
 *  Thread Starter [gsteinbrenner](https://wordpress.org/support/users/gsteinbrenner/)
 * (@gsteinbrenner)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598743)
 * OK, I’m on to something here. I have a couple pics that show full sized “grilled
   marinated shrimp”, “puerto rican style beef and cabbage stew” and “fresh tomato
   meat sauce over zucchini noodles”.
 * I started a new blog post and tried 1 featured pictures that I knew didn’t work
   before ( it didn’t work) and then one that worked before (it worked properly).
   That tells me that its not the thumbnail cropping code and its the pictures. 
   I looked at the details of the pictures that work and the pictures that don’t
   and I find one unique difference.
 * On the attachment details page, the “uploaded to” field lists “Media” for the
   pictures that don’t work. For the pictures that do work, that field has a link
   to the page of the post its in.
 * Not sure what that means. Any thoughts?
 *  [bdbrown](https://wordpress.org/support/users/bdbrown/)
 * (@bdbrown)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598748)
 * I think “Media” means it was uploaded to the Media Library. The link to the post
   means, again I think, that it was uploaded while the post was being edited. So
   rather than being in the Media Library, it’s actually “attached” to the post.
   I believe that means that those images are NOT available to use in other posts
   because you won’t find them in the Library. What happens if you “detach” them?
   Where do they go? Classic case of trying to give the user more options and make
   it “easier” to use, and here we are, trying to decipher what it really means.
   Confusing.
 * Here are a couple of references but I don’t know that they shed much light on
   it:
 * [https://codex.wordpress.org/Uploading_Files](https://codex.wordpress.org/Uploading_Files)
   
   [https://codex.wordpress.org/Inserting_Images_into_Posts_and_Pages](https://codex.wordpress.org/Inserting_Images_into_Posts_and_Pages)
 * Based on the other references I linked above, and the changes you made, and then
   regenerated the thumbnails, you would think there ought to be SOME change in 
   the result. Yet there isn’t. And the question is, still, “why not?”
 *  [Hoollaa](https://wordpress.org/support/users/hoollaa/)
 * (@hoollaa)
 * [9 years, 10 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598860)
 * [@bdbrown](https://wordpress.org/support/users/bdbrown/) It’s 9 months on and
   your advice remains invaluable! Thanks for the walk through. I’ve had my problem
   resolved by just following your steps.
 *  [bdbrown](https://wordpress.org/support/users/bdbrown/)
 * (@bdbrown)
 * [9 years, 10 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598861)
 * [@hoollaa](https://wordpress.org/support/users/hoollaa/) – You’re welcome; glad
   to help.

Viewing 8 replies - 1 through 8 (of 8 total)

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## Tags

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

 * 8 replies
 * 3 participants
 * Last reply from: [bdbrown](https://wordpress.org/support/users/bdbrown/)
 * Last activity: [9 years, 10 months ago](https://wordpress.org/support/topic/featured-image-resize-4/#post-6598861)
 * Status: not resolved