Generate Thumbnail allows you to generate all thumbnails at once without script timeouts on your server.
As of April 2026, Generate Thumbnail is a WordPress ajax plugin with 30 active installations and a 5/5 rating from 1 reviews. It has been downloaded 4.0K+ times in total. Requires WordPress 2.8+ and PHP false+. Available on WordPress.org since 2018. Last updated 8 years ago — may have compatibility concerns. Top alternative: SearchWP Live Ajax Search.
Generate Thumbnail allows you to generate all thumbnails on your site. There are already some plugins available for this, but they have one thing in common: All thumbnails are regenerate in a single step. This works fine when you don’t have that many photos on your site. When you have a lot of full-size photos, the script on the server side takes a long time to run. Unfortunately the time a script is allowed to run is limited, which sets an upper limit to the number of thumbnails you can regenerate. This number depends on the server configuration and the computing power your server has available. When you get over this limit, you won’t be able to generate your thumbnails.
Why would you want to generate your thumbnails? WordPress allows you to change the size of thumbnails. This way, you c…
| WordPress | 2.8+ requiredTested up to 4.9.29 |
| PHP | false+ required |
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