How to Regenerate Thumbnails or New Image Sizes in WordPress

by enablewebsitedesign


How to Regenerate Thumbnails or New Image Sizes in WordPress

WordPress automatically resizes thumbnails or images to fit different parts of a website, such as the featured image for posts or for an archived post thumbnail. Sometimes it becomes necessary to regenerate these images, or create a new image size for a different part of the site. Fortunately, this can be done quite easily in WordPress.

Why Regenerate Thumbnails & Images?

    • Update images to new dimensions after changing the theme or site layout.


    • Create new sizes for custom post types or pages.


    • Ensure images look sharp and clear across devices.


    • Increase website speed by compressing images.


How to Regenerate Thumbnails & Image Sizes

    1. Install the Regenerate Thumbnail Plugin. Access your WordPress dashboard, select Plugins > Add New in the left-hand menu. Type Regenerate Thumbnails in the top right search bar and select the Regenerate Thumbnails plugin.


    1. Activate the plugin. Once the plugin is installed, select Plugins > Installed Plugins to find the newly installed plugin. Select Activate under the Regenerate Thumbnail plugin.


    1. Regenerate Thumbnail. Select Tools in the left-hand menu and select Regenerate Thumbnails. A tool will display that you can use to regenerate thumbnails of all images or a specific range. Select the Regenerate Thumbnails option and wait for the tool to finish generating new images.


    1. Creating New Image Sizes. To create new image sizes, access the Media section. Select the Settings tab and scroll down to Image sizes. Underneath this section, select Add New. Add the details of the new image size and select Save Changes. To regenerate thumbnails for this new image size, access the Regenerate Thumbnails tool.



It’s worth regenerating thumbnails or creating new image sizes, especially when changing the theme or layout. This can help to ensure images are of the correct size and focused on the right areas, while improving website speed. Installing the Regenerate Thumbnails plugin can make the whole process easier.

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