Skip to content
Log in Sign up

How to create custom size for thumbnails via plugin

Register your own image size in WordPress with a free plugin and use it for Listivo ad cards, then regenerate the images you already uploaded so they match.

1 minute read

You need this plugin on your WordPress: Simple Image Sizes.

  1. 1 Open the plugin settings

    After installation, activate the plugin and go to its settings.

    WordPress Settings › Media screen listing the thumbnail, medium and large sizes above a long list of Listivo image sizes, each with width, height, public name and crop controls.
  2. 2 Add a new size of thumbnail

    Use the "Add a new size of thumbnail" button at the bottom of the list.

    A newly added size row with maximum width 345, maximum height 450, public name "new_size", crop set to No, and Delete and Validate buttons.
  3. 3 Validate and save

    Click Validate and then save changes.

  4. 4 Point the ad card at the new size

    Go to Listivo Panel > Design > Listivo Ad Card and set it here.

    The Listivo Ad Card design panel open beside a search results page, with the image size dropdown expanded to a list of available sizes.
  5. 5 Regenerate the existing images

    Save changes, go back to the plugin settings, scroll to the bottom and hit the button.

    A button labelled "Regenerate Thumbnails".

When the plugin has finished working, every image on your page is available in the new size.

Regeneration in progress, reading "Regenerating 35 of 134" above a progress bar and a list of files reported as already existing in this size.
The plugin shows an estimated finishing time and skips files that already exist in the new size.

Keep reading

Thumbnails and Adaptive Sizing Explained Regenerate thumbnails on your website

Ask the people who build Listivo

We answer by email from support@tangiblewp.com. With Premium Support, we also fix your site when something breaks.

Send us a message What Premium Support covers 

We can also run your site for you, or build a new one.

Was this guide helpful?