How to Regenerate Thumbnails in WordPress

There may be times when you have to regenerate thumbnails in your WordPress site. Typically, this should be done after modifying a theme or changing image dimensions. In this tutorial, we will show you how to regenerate thumbnails in WordPress using the free Regenerate Thumbnails plugin.

Install Regenerate Thumbnails Plugin

The first step is installing the Regenerate Thumbnails plugin.

  1. Log into your WordPress Dashboard.
  2. Click Plugins, then Add New.
    Adding a New Plugin to WordPress
  3. Type ‘regenerate’ in the search field. Click the Install Now button next to the Regenerate Thumbnails plugin by Alex Mills.
    Installing the Regenerate Thumbnails Plugin
  4. Once installed, click the Activate button to enable the plugin.
    Activate Regenerate Thumbnails Plugin

    You are finished when you see a “Plugin activated” message.
    Regenerate Thumbnails Plugin Activated

Regenerate Thumbnails

Now that you have installed the plugin, we will show you how to regenerate thumbnails.

  1. You should already be logged into your WordPress Dashboard.
  2. Click Tools, then Regen. Thumbnails in the navigation menu.
    Access the Regenerate Thumbnails Plugin
  3. Click the Regenerate All Thumbnails button.
    Regenerating Thumbnails in WordPress

    It will then begin regenerating your thumbnails. This will take some time to complete, depending on how many images your site has.
    Regenerating Thumbnails in Progress

    You will see an “All done!” message when it completes.
    Thumbnails Regenerated Successfully

Congratulations, now you know how to regenerate thumbnails in WordPress!

John-Paul Briones Content Writer II

John-Paul is an Electronics Engineer that spent most of his career in IT. He has been a Technical Writer for InMotion since 2013.

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2 thoughts on “How to Regenerate Thumbnails in WordPress

  1. Hello

    when the images are smaller than the settings in place, how to force the regeneration and application on all other images?


    1. You can redo it from “Tools > Regenerate Thumbnails” or select the image from Media and select “Regenerate Thumbnails” button.

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